I have a 1996 Ford Ranger 4. For better clearance, lift up the front end of your vehicle. 15 posts · Joined 2019. It is an important dial that is located on the dashboard of your vehicle. The air did get cold again once the temp dropped. Also flushed the radiator, replaced 2 temp sensors, thermostat, tps, and iac. I've burped the system multiple times. If your temperature gauge goes up and down consistently, you will likely have a faulty water pump or a bad radiator cap. Ford Explorer Ford Explorer 2000, Temperature Gauge fluctuates. 0 and when i turn on the heat after the car is warm the heat goes from warm to cool. #2 · Jan 14, 2007. If the gauge goes full tilt, replace your Sender. Stop engine, connect the scan tool and select. Faulty Cooling System. If the B3 sensor wire is grounded, the temperature gauge will swing high, past the red. The heat in the cab was coming up too. This sensor drives the temperature gauge on the dash. Problem in the engine computer. Bad Water Pump. Senior Master Ford Technician. Shut the engine off and allow it to cool. After getting it back from having leaking intake gasket replaced, the temp would go up to 260 before it went back to 170 Probably slightly overheating and the fan is bringing down the temperature and thus causing the gauge fluctuation. 2010 had inspection done and replaced upper radiator hose at that time. Re: Temperature gauge fluctuates from 70-90, thermostat? « Reply #1 on: January 20, 2014, 04:02:26 pm ». ISSUE. In Nov. Nov 18, 2015. If the ECT reads 160 degrees or lower, the thermostat may be stuck open. Coolant level is good and heat works as it should. Arrived at work checked the coolant level on Temperature gauge fluctuates from normal to hot, and occasionally temp light comes on. Started the truck and let it idle for about 2-3 minutes and it appeared the gauge started to move a little. 2002 Golf, 5spd; 05 Jeep CRD. Another common factor why temperature gauge goes up and down, Temperature Gauge Fluctuates. If you have manual a/c then turn temp dial all the way to max. The software engineer in me wants to disconnect the battery so I can really turn it off and back on The temp gauge did not exceed 210 degrees. The job of the thermostat is If the temperature gauge reads high, it could mean your engine is overheating. temp. – Water pump damage. We have a few in mine that do it for around $25 per motor. The other will come on when the engine gets to operating temperature. 2005 Yukon XL 1500 4x4. Hi: We have a 2016 Traverse. I thought bad t-stat so replaced the new one I just put in with a newer 180 stat. The temperature gauge fluctuates between 80-120 sitting in traffic quickly. Gasket is on top on T stat. It moves quickly and erratically, not at all smoothly. I have an 05’ Buick Rendezvous with an erratic temperature gauge when engine is hot and idle. OEM Replacement Part: ACDelco GM Original Equipment 12650595 Engine Coolant Temperature Sensor, Black. The temp gauge now fluctuates drastically from cool on up to the hot Someone should fix the title of this thread. Asked by timbow360 Jan 26, 2013 at 07:42 AM about the 1996 GMC Suburban K1500 4WD. The gauge would rise to the normal operating position for a while then would start to fluctuate. 08 Hybrid with 85k. After a minute or two the temp reading came back, check engine and temp light went off, and she came out of limp mode. While driving 2015 traverse the temp gauge has started jumping around a lot. It’s normally located on the dashboard, near the speedometer. I've also tried switching climate control to recirc, also to no avail. 8T Quattro. It does this even when I am not hauling anything. Check the engine for coolant leaks. If I turn the Asked by timbow360 Jan 26, 2013 at 07:42 AM about the 1996 GMC Suburban K1500 4WD. Ford Explorer 2000, Temperature Gauge fluctuates from Normal to C, the thermostat on the front of the engine has been replaced. Crap. About two minutes into the trip the engine temp gauge spike up to "L" again and the air in the vents went cold. You should investigate clogged components like the heater core, thermostat, coolant level, radiator hose, or water pump. Once the car reached a temperature warm enough to Then check the oven temperature before proceeding. Feb 28, 2011. Check the coolant temperature sensor and see if it has a loose connection on the wiring harness. My normal temps on the street are typically on average 217-223 roughly and on the highway fluctuates between 225-230. and a full flow of coolant always flows through the The weird thing is, the temperature which used to be rock-steady on the gauge began fluctuating between about 190 and maybe 220 while driving (I'm estimating since there are no accurate has marks on the gauge. Car also doesn't have any heat co I read the previous posts and answers and found them very useful. Start the engine, turn the heater on. Depending on exactly where you were pointing, and how accurate the thermometer is No, those aren't normal temperatures. 3L that has no heat. I have almost identical situation. If your grill is fluctuating more than that, let's continue to figure out what may be contributing. I suspect air in the system, but I have tried various ways of getting it out. When I crank the heat, then the temperature goes down to normal. Sometimes it jumps in tiny movements, and sometimes it spikes to red line and back. It does not stay at 120 for a long time, maybe like a blink then goes back quickly to 85-100. First, check the grounding cable from the gauge to the center console. probably about half the time. It finally will get warm-ish after driving 45+ minutes. The sensor has two parts to it (really two sensors in one housing). Maximize. I did the cooling system overhaul a couple of months ago (radiator, upper/lower hoses, expansion tank, belts, and thermostat a few months prior). Had a few chores to take care of this a. Hey folks, As stated I have a '96 Ranger 2. Never stays at the 3/4 mark. It then dropped again and then fluctuated between those two I took the time to extensively diagnose this dodge ram who's heater stopped working. Hooked it back up. When it hit "M" I started back home again. LUCY - 97' 12v manual, std cab, factory lsd-d80, kdp & 5th gear nut fixed, gauges, airdog100, #10 plate FF, cpp 7x. After reaching operating temp (about 170F), and doing a 3200rpm run, the temp gauge starts to wildly swing. at times it stays steady and then starts Temp gauge fluctuates? From around 200 degrees and up, then back down? This is an air pocket. Now it fluctuates even more. New radiator was put in. 2003 Audi A4 1. When parked and shut off the cooling fans ran for aproximately3-5 9 posts · Joined 2020. I recently bought an 02' Buick Rendezvous and immediately had to get the Manifold gaskets changed. It also takes a long time to warm up. Temperature gauge jumps around. Vehicles that heat up in traffic, or low speed operation, are usually not transferring sufficient heat Mercruiser 4. This will cause the gauge to fluctuate up and down as the engine A broken cooling system is a common cause of your vehicle’s temperature gauge moving up and down with no heat emitted. Turn your car on, no AC, and let her idle for 10-15 mins watching the the gauge just in case it gets to high, you know to turn the car off. $94. Step 2 – Check the voltage to the temperature gauge. Its closer to the cool line than it is to the middle of the gauge. In a Buick Rendezvous Temperature Problems. So I got the temp gauge working again. It goes on and of with a recall they need to fix (waiting on parts) anyways as I'm driving along. My 1996 F150 has been having an unusual problem with it's temperature gauge. Quote: Originally Posted by 2003Quattro1. The temperature gauge was replaced about 300 miles ago. 3. The most common cause of faulty temperature readings is a broken coolant temperature sensor In this case, the broken temperature gauge will show temperature fluctuations, while the actual temperature of your engine remains steady. After engine has reached normal operating temperature, shut engine off and allow it to cool. – Low coolant. I was on a road trip (3. The other one is located at the bottom of the car, driver's side, just off the radiator. 7 temp fluctuation. These are cheap and frequently go bad giving you an erroneous temperature gauge reading. ) If you came to a stop for more than 2 or 3 minutes, the temp began to creep up towards the red. Video outlining how to replace this $12 coolant sensor for these GM 3. When the engine is cooling down, coolant will be drawn into the radiator from the reserve/overflow tank. 5 posts · Joined 2021. my temperature gauge still fluctuates up and down. Check the engine coolant level in the degas bottle and fill it as necessary. Re: 1995 F-150 Engine Temp and Heater Fluctuation. Did a coolant flush and replaced my thermostat thinking that might help, but it hasn't changed a thing. I also noticed the temp gauge was reading about 2-3 ticks to the right of 210. 35 years of experience. Or For Any Other Auto Repairs. Cooling, Heating, Ventilation & A/C - 2000 F250 5. As the engine runs, you will see air burp up out of the funnel, and the level drop. #1 · Jan 19, 2017. Started engine. also the temperature gauge fluctuates from normal down to near cool. ACTION. but after traveling approx. , Gray, US. Also no heat. Jeep began to overheat yesterday but would then go down to below operating temperature then back and forth. Average repair cost is $0 at 5,400 miles. Temp Gauge fluctuates. Sounds like the thermostat needs to be replaced. I have never seen the temp in any vehicle that I've owned vary that much. I’ve only driven it about three time since and it’s done it every time. Temperature Gauge Fluctuation. I blew a headgasket and replaced it. I fill up with anti freeze and since then my Temperature Gauge Fluctuates. Automotive Mechanic. On a couple of occasions the coolant level warning light has come on, too. at times it stays steady and then starts Its more of a operating temperature range, 180-240F. Temp gauge fluctuates? From around 200 degrees and up, then back down? This is an air pocket. Not showing symptoms of The engine coolant temperature gauge should maintain a stabilized reading in the middle of the NORMAL range, and the upper radiator hose should feel hot to the touch. Sometime it has even gone to the 11 o'clock position or all the way around to the 9 o'clock position. It is like jumping to 120 then goes down in a second. Based on your latest post, I'm wondering if the therm o stat has failed and is locked open. If you do the work yourself be sure the temp threshold is correct and the flow direction is correct when installed. the owner informed One of the common problems of the Mitsubishi Pajero NM ( (Montero/Shogun 2001-2003) is the “crazy temperature gauge”. My problem is that I changed the thermostat and the temperature sensor on the side of the radiator on my 2013 Chevy Malibu LT 2. gauge fluctuating more than normal, but haven't really found a definitive answer to resolve the issue. The top sensor is on the rear coolant flange, just behind the head under a mess of hoses and whatnot. Overview. the temperature fluctuates when cold from say 130 down to 110 up to 180 (i think it has a 180 thermostat) sometimes when pulling a trailer it starts over heating past 220 to 230. It fluctuated up and down (depending on if I So after driving around a few days I was able to get average readings from live data on the scanner. It will run at the middle 210 mark then instantly drop to the 170-180 area, and then a few seconds later back up to 210. ATM distributes coolant through the engine in a targeted manner, sending heat where it's needed to warm up the engine, thereby reducing friction. Look in your area for a speedo shop. Any ideas? Temp Gauge Fluctuation. I drove at highway speeds for about two hours and then got stuck in traffic. Heat would come & go. It has always been rock solid at 210 after driving. 190/195/200. We bought the Camry brand new and up to a few years ago, the temp gauge never moved. Oct 30, 2014. 2020 GLA250 with 5500 KM. Hi, I have a 2007 Suzuki Swift with heater problems, no heat when running idle (even when the car has been warmed up afterXXXXX. First check the reservoir for leaks, then check the hose from the reservoir to the radiator for leaks and if it is kinked. The Fleet: Bolt - 2006 Honda Odyssey - EX - Ocean Mist Metallic - 110k miles - Bought brand new in August 2006, never any major repairs, possibly the most reliable Odyssey on the road. 3910 posts · Joined 2010. Another reason your reading might be high is you could be losing coolant. The heat works very good it just takes a while. No overheating, cel or leaks. On a typical, good-weather day, your grill should fluctuate no more than ±25°F/14°C. Unfortunately, when the temperature gauge reads too low, too high, or fluctuates, you don't know whether something is wrong with the engine, the gauge, or something else—unless the gauge is in the red zone and you see steam coming out from under the hood, of course. 1999 Jeep Cherokee Automatic 218000 miles. It only occurs some days. 6 speed turbo So yesterday the check engine light comes on. As far as I can tell it does this whether I'm on the highway or in town. Gauge still fluctuates - no one knows why - but this time it is in the testing stage and doesn't have any coolant. I am not losing coolant. This seemed like it happened after i changed my head gasket, my temperature gauge fluctuates all day long whether im goin up, down, flat, any kind of ground. Engine temperature fluctation. thermostat stuck open Here are the most common reasons: Coolant Temperature Sensor: A faulty coolant temperature sensor will cause inaccurate readings on the gauge and may show that the engine is not running as hot as it should, when in fact it is. coolant temp fluctuation. in rad. 7 and I am not getting hot air out of the vents when it is warm and running around 210. 9liter xlt 4x4with 77k original miles. It would go from normal to "hotter than it should be" but never really over heat and fluctuate between those 2 points. Apr 21, 2013. Just for background, before this issue my truck pretty much stayed right around 210 on the gauge with little to no Temperature gauge is maxed out Inspection. 12, tuned P7100, Industrial Injection 62/65-14 @55lbs, 60# valve springs, 4kgsk, afe Check the fluid level, check for leaks, bleed the cooling system to get rid of air bubbled, also check the thermostat. A replacement temp sensor is about $15 at any auto parts store. Customer may complain that the temperature gauge is inoperative or reads low. I changed the coolant sensor and it is still doing exactly the same as you describe. 6L v6 engines (Blazer, Envoy, etc) GM 3. intermittent. SOURCE: air conditioner, fuel gauge, and temp gauge all stopped working at the same time. 7 is quite a bit faster as well. My heat also won't What causes a 2003 mercury mountaineers temp guage to go from cold to hot then back to normal in seconds while driving. Remove the radiator cap. . It falls from the 12 o'clock position of 190 to usually around 9 o'clock. IT varies how hot it gets most the time it goes up to 180ish and then decreases and then will increase higher like 200 and then decrease. I started with the basics on this but here is what I have done so far. A couple days after I picked up the car, I noticed the Temperature gauge fluctuating. However the A/C is still malfunctioning, or at least doesn't seem to be 100% up to par. 66 posts · Joined 2010. Glenn. Also, when I drive it and turn it off to run inside and restart the engine when its warm it 06 f550 6. 2- Fuse blown in the cabin forward LH below the dashboard (below your legs left hand). I have a 2000 ford ranger p/u. I had a new water pump installed today. Mopar coolant won't boil until it gets over 265 degrees F with a 15 lb cap, Cherokees use a 21 lb cap so the boiling point is higher. 8 posts • Page 1 of 1. The Duramax® 3. MEMBER. No heat - neither heater core hose hot. The heat builds up when driving along but it's intermittent. Throws heat at 35 miles per or more. ntoddsinclair Discussion starter. 0, 5 speed 2wd. Your Replacing a Faulty Engine Coolant Temperature Sensor. 1999 Ford Ranger XLT 4. One common cause is a defective thermostat, a component that is inexpensive and easy to replace. Fluctuating Temperature Gauge. the owner informed I am working on a 2013 1. Apon accelerating up to highway speeds (80mph in SD) and after cresting a hill the temperature gauge reads 230-236 degrees. I have checked the coolant for combustion gas found none (does not leak or burn coolant) engine temp runs in normal with new thermostat, changed water pump (pump housing does show wear, I will try to post a picture. I checked the coolant and it was pretty close to the fill line (probably a little below). gauge and heat from heater go cold to hot about 3 or 4 times till temp. It's normal to see some variation in temperature as the algorithm works to create a true average temperature across the entire cooking surface. The current problem I'm trying to solve on my '12 JK w/81k miles is the temp gauge started fluctuating between 1/2 - 5/8. Look at the radiator fans. 5. Dec 28, 2016 6 1 13. 6 V6 Easy way to replace coolant temperature sensor P0128. ultra cold weather and cars temperature started going high and blower was blowing cooler than normal air. The Dodge Ram 1500 is a full-size pickup truck that was first introduced in 1994. When you turn off the car it stays wherever it 3. Auxiliary fan kicks on, so that's fine. The heads should be ~200°F; t'stat housing ~190; exhaust (near the heads) over 600. This is beyond excessive by any standard. A Malfunctioning Water Pump. you may have TWO such sensors on your vehicle. The sensor may need to be replaced if this is the case. I have first hand experience on this. When the car is parked with the motor running the temp gauge is in the middle. Replacing the thermostat fixed a few things. The temperature gauge goes up as the engine heats up, and continues to rise when the engine is under a lot of strain, like going uphill. - But when I am driving it and it does act up, the temperature gauge will fluctuate from the O (In NORMAL) all the way to the end of the L. AC and heat are fine when driving. If the coolant stops flowing, it will boil inside the cooling lines. Finding Out if the Temperature Problem Is Your Engine or Your Gauge. It is orchestrating a delicate balance between 180 to 200 degrees Fahrenheit. Still no luck. After driving for about 20 minutes the gauge stays in the red. It’s an inexpensive part and easy to Re: 02 Chevy Cavalier Temp Gauge Goes Up When Heat is Turned On. If you actually look at the engine temperature by the time it gets to TaurusRay said: For the past several weeks my temperature gauge is fluctuating after driving around for about 30-45 min. It may or may not overheat (up to red on the gauge) , but the temp gauge fluctuates and the heat being blown into the cabin fluctuates too. Air pockets in the cooling system cam make the temp. Sediments or rust may have clogged the coolant path. at that point heat doesn't work then after running 215-220 for a It was about 105 today. 0. Cruze gauges chevrolet lt rs gtcarlot Cruze gauge chevy Image: 2011 chevrolet cruze 4-door sedan ltz temperature controls, size. As long as the engine temp is in normal range the engine fan should stay on. Just for background, before this issue my truck pretty much stayed right around 210 on the gauge with little to no The engine temperature will go to 195 and as driving down the road the gauge will drop drastically down to the 100 mark and I have no heat. 2007 Suzuki Swift: warmed. The engine runs at the correct temperature now, and the temperature gauge I see on my dashboard no longer fails. 6. #1 · May 7, 2012. If it looks like this: All you have to do is loosen those two screws and move the dial clockwise or counterclockwise to shift the numbers. Knowing Knowing how to cool off a hot car that has been sitting in the heat and sun can save you the discomfort of having to sit in your vehicle's hot interior while driving to your A broken cooling system is a common cause of your vehicle’s temperature gauge moving up and down with no heat emitted. The heater core is the water pump by-pass system on this model, coolant flows thru the core regardless of heater temp setting in cab. In this video we take a look at why the temperature gauge in my 2006 Toyota Corolla is sporadically bouncing all over the place and going up and down quickly The temperature gauge on a Dodge Ram 1500 goes up and down to show the engine’s coolant temperature. Your car’s thermostat will open and close while you Jessica Howe. Low coolant levels or coolant leaks can lead to insufficient heat absorption, causing the engine to overheat. Start it up, and it's fine again. 1983 - 2012 Ranger & B-Series - Temp gauge fluctuating-HELP! - Alright folks, see if you can figure this one out. Eric. 5L and the temperature gauge is sometimes showing on cold and stays there even after driving the car for 10-15 min or on hot with "engine I have noticed that the engine temperature gauge begins to display the current temperature above 226 degrees. I figured the aftermarket t-stat is probably not as tight as factory spec wise or maybe I am still dealing with air in the system. I thought I was overheating but after a 10 - 30 seconds the PA Deutsch Country. acdraindrps New Member Posts: 14 Joined: Wed Jul 08, 2009 6:25 am. thermostat stuck open Also the temperature gauge tells porkys to stop drivers fretting about the temperature. That's not what's happening. I However, if the thermostat fluctuates at once, your engine has a more serious problem. it never stops, and it goes back and forth constantly. Radiator fluid The heater was like like someone was breathing on you (aweful). The coolant absorbs heat and is not circulating it when engine is shut off. If the fans don't work it could be a coolant radiator fan thermostat. It has increased all the way to the red section once. 5 threaded end, can covert to 1/8 NPT using Autometer #2268. Just be aware . At idle you can normally hear and sometimes feel when the fans cycle on. 5 Symptoms and Causes Of A Car Running Hot But Not Overheating. #1 · Dec 23, 2020. 57,775 satisfied customers. Yes, or coolant temp sensor. 5 4 cyl. Normally on a level road the car will run 217-219F, put it under load (like a hill) that will drop to the 190F range. The following cooling system related 8761 posts · Joined 2017. All of a sudden the temperature gauge jumped and pinned all the way and the check gauge light turned on. The solution is- Explorer 1994, A new revised water pump and gasket should be fitted. , for a different gauge. Driving at 80km/h, car was warmed up (been driving for about 25 minutes). Ask Your Own Chevy Question. 2006 Mazda 3 2. By fluctuated, I mean dropping and rising 2-3 whole marks on the gauge. The gauge also fluctuated quite a bit along the way (colder, hotter, colder again). One of the common signs of S-VCM failure is odd temperature gauge behavior. Intermittently my ECT gauge in the instrument cluster starts to "bounce" around. Before heading to a mechanic, let’s The most probable reason why your car temperature gauge drops while you are driving is that your thermostat stays open. I found a few other issues like a check engine light. 2013 Jeep Wrangler temp gauge fluctuates between 1/2 and 3/4 and goes right back to center. 8T. 2362 posts · Joined 2006. Fixing a Fluctuating Temperature Gauge in a Ford Ranger. When you get the sensor make sure to also get the o-ring and a new retaining clip in case the old one breaks. Thats why pretty much any modern VAG car you go in the gauge suits at 90 through out the year when it's warmed up. It could also be a head gasket, cooling fan problem or the actual temperature sending unit. My ford 5. Fan comes on also. I put a new radiator, thermostat, and fixed a few other things as well ( spark plugs, serpentine belt) 2 months later I noticed that my temp gauge fluctuates pretty bad , it never over heats but it will go up to 114 Answers. With If you observed your car’s temperature gauge rising but not overheating, you must address this issue quickly. the temp gauge fluctuates. Get a Quote. Other causes of a fluctuating temperature gauge are a failing radiator fan, insufficient When your car temperature gauge fluctuates, look behind these potential problems: A gauge or electric circuit in need of service. 5 hours until I was able to get antifreeze and put some in reservoir. It happens at part throttle with a slight load. any help would be apprec read more The other day it was 48C outside and I was in freeway traffic. No Heat And Temp Gauge Fluctuates?? Thread starter Chenaniah; Start date Jan 7, 2017; Tags 96 mustang no heat thermostat Chenaniah Member. I'm pretty read more. The car temperature gaugeoffers a look at the operating temperature of the engine. If it stops reporting the temp, then it goes into fail-safe mode and sends the needle to C and disables the AC. My thoughts are of course electrical. 0 would have hot heat so fast it was unreal compared to any of my modern 4 bangers. I have an 04 ram hemi with 53k miles on it. 0 in it. 50 miles noticed the temperature gauge started moving from the normal range to extreme hot, then within a few seconds drop back down to the normal range, decided to return home and this normal to Op, you can monitor actual coolant temp via the performance gauge feature in the infotainment. Three possibilities; All related to blown fuses, 1- Fuse blown in the engine compartment LH. If the thermostat becomes stuck in the open position, a continuous coolant flows into the radiator, causing the engine to run Temp Gauge Fluctuating-Thermostat or No !990 T4r, V6, Auto, with 210K. I have a 2020 Colorado with the 2. The no heat is a sign of low coolant. The sensor, gauge and wiring should be repaired if there is a reporting fault. Check your coolant level and leak. #5 · May 25, 2014. S. Temp gauge went immediately to about 220, but no heat. As I'm driving, the temperature gauge on my 2005 Infiniti G35 just started to rise and fall from normal to near the top of the gauge, triggering the cooling fans. 4. It now is very erratic. There are a few wires from the temperature sending unit that should be checked. The thermostat helps regulate engine temperatures by regulating how much coolant flows through the system. Temperature fluctuating and little to no heat. -Temp gauge sits at just over half (used to sit at just under half) and will slowly climb up to 3/4, then sometimes almost to red, but never hits red, and then will cool back to near mid. C_Masino May 3, 2010, 9:36am 1. I replaced the tee stat no change. have a 2002 ford taurus 3. Got home & checked overflow tank. But, you are reporting that the engine temperature is normal; consequently, the thermostat is not the cause of inadequate cabin heat in your circumstance. Definitely check the coolant level when cool and get it checked out by a professional. Measures 965 ohms at 80F, 105 ohms at 180F (disconnected). This may be caused by the water pump delivering an uneven flow throughout the engine. 8761 posts · Joined 2017. 0 TDi with 135,000 miles and currently when on the motorway cruising at 65-75 mph the temperature gauge fluctuates to over 100, goes into limp mode so I slow down and the temperature quickly returns to 90 and limp mode turns off. It should be between the max and min level in your reservoir. It was just reported to me yesterday that the temp gauge has been fluctuating since overhaul after I noticed it myself driving. 5 years of experience. So I drove it a few miles and sure enough, gauge is back to normal again. Check coolant level when the car is cold. Temp gauge would fluctuate between about 160 to 220. Last summer it would go up 3/4 of the way and it took a One common cause is a defective thermostat, a component that is inexpensive and easy to replace. 7 cummins deleted with h and s mini max. Temperature gauge will go all the way up and then back down to normal. Next, remove the oven temperature knob and take a look at the back. It never goes over the the 190 reading. It is configured to read 90 when the engine is upto temperature. 3. A thermostat stuck My 2003, 3. That fans should turn on at about 187 if I am no mistaken. Will drop to zero then return within seconds. NEVER fluctuates like you see. 4L Cruze and it is doing the whole "A/C off due to high engine temp". Also if you find the belt is slipping replace it, if the water pump is leaking replace it. Once the strain on the engine has passed, it will start to cool off and go back to its normal operating temperature. This past December the weather dipped into the minus single digits, when it did my engine temp started to fluctuate on the high side, but never overheating. 3) make sure your thermostat is not stuck in the "open" position. Problem: Knocking noises from the cooling system and the coolant temperature gauge fluctuating. However, note that it is still no match for the amount of heat a car engine produces. I notice it kick back a bit, right under the halfway TheIncident88. (3) After engine has reached normal operating temperature, shut the engine off and allow it to cool. Bad temperature gauge mechanism. #1 · Oct 11, 2020. Engine Overheating: If your engine is overheating, then i believe the temp probe is very close to the thermostat, making the temp drastically change with the opening and closing of the thermostat. Here is what I do know, the temp gauge runs a bit cool. As it does, keep adding coolant to keep a little in the funnel. Question is: Why is my temperature gauge going up an down? I looked under the hood an the the 9 posts · Joined 2020. It can fluctuate quite a bit in just a 3 minute car ride. The wife said she was parked for about 15 minutes and when she started it up the coolant fan was running wide open and The temp gauge was fluctuating up and dow I have a 1991 ranger 2. The temp sensor should be on upper hose neck on the engine. Serpentine Belt replaced few weeks ago. 8. - Michele D. Usually the gauge stays at ~1/3 (at the lower level of the "thermometer" symbol on its face) but I noticed that from lower speeds and with high throttle (accelerating) the gauge moved to ~2/3 (the top of the thermometer). Sometime the gauge doesnt move at all. Car has 32000 miles on it. They replaced the thermostat (as well as flushed the coolant and new spark plugs). It can also be caused by bad wiring between New radiator cap. The typical reason your car’s temperature gauge fluctuates while driving is a problem with your cooling system. 2l Got an oil change and now the temp guage shows no temp, then suddenly goes to the normal range, then rising to very upper range. It never got all the way to the right but it did fluctuate from 210 to about 225 quite a bit as I drove. Drain the radiator, according to instructions in your car 491 posts · Joined 2014. Apparently, when the engine begins to overheat, the temperature gauge will rise. 5 hours) and it did this for about 1. 4 was recently overheating. #3 · Feb 28, 2007. When that happens, the engine Temperature Gauge Fluctuation. 3452 posts · Joined 2004. 530 posts · Joined 2006. appropriate model year and engine option. Had the water pump changed, new radiator last year, 4 thermostats. 9) Too Many Applications Running At Once. This will free up some resources and allow the CPU to cool down. The symptoms are simple, suddenly, with no notice, the temp gauge shows that the engine’s temperature is in the red area, if you’ll stop and check, you will see that the coolant is not boiling and the I pulled up the engine temp on the display and it didn’t have a reading. You can diagnose this issue by yourself via the ODBII One common cause is a defective thermostat, a component that is inexpensive and easy to replace. But, when the thermostat is malfunctioning (maybe it’s opening or closing when not supposed), then your temperature gauge will go up and down as you drive. Dealers usually just swap them out. The cooling system has a lot of components. I checked the archives and still am not sure on where to start. Connect pin 1 of the electronically controlled viscous fan drive connector, located at the lower. Maybe i need to burp it again. :gr_patrio. I would shut the jeep off for a second turn it back on and it would be right back to just slightly over 210. I check the water and had a water leak. Whats weird is the leak is never consistent. When I start driving is fine and until about 10-15 of constant driving the gauge goes up to the red and back to the middle, then up again and back & forth. A warning comes up A/C off due to over heating engine" but it's 15 degrees out. I have a 2008 Xterra, with 108,000 miles. When coolant levels are low or there’s a coolant leak, the balance is disrupted and the temp gauge goes up and down while driving. #1 · Mar 8, 2021. There is no heat the whole time basically, occasionally it will come on for about 30 secs. Kevin Gainer. 2000 Mazda MPV: heated and the Engine runs at normal temp by gauge. 2. On the 1st gen Murano, this means setting the temp to something like 90, manually turn OFF the A/C. This happens after the regular The thermostat in your Jeep is diligently monitoring the engine’s temperature. Tiptronic. 0L utilizes GM's advanced cooling system strategy known as Active Thermal Management (ATM). TDI. The temp gauge fluctuates from normal (185-200) jumps to 250-270 than immediately back to normal. After the work has been done I got heat out of the vents at idle, like it should. How The Temperature Gauge Works. I was driving my car today and noticed the temperature gauge wouldn't go past the the top of the 2 bottom bars. Also, sometimes when I first turn on the heat I can see some kind of cloud come from the vents. 1 post · Joined 2021. Low coolant level or coolant leak. Heat was on when burping the radiator. The temperature gauges started going up an down. Symptoms: Warm / hot weather: gets to operating temperature quickly and stays there consistently even on 90+ degree days. I have a 2007 B7 3. (2) With the heater control unit in the HEAT position operate engine with the radiator cap in place. Here's what happens: Waiting at a light - needle rises (see photos) Park, driving on freeway or highway - drops back down to normal (see photos). Iv'e seen the jeep's digital readout fluctuate between 203 and 230 all while the needle stays rock solid at the 1/2 way point (the needle is not very sensitive). You can send it to a re builder in Texas and they will completely rebuild it (all gauges, bulbs, power supply if needed) for around $125. While moving you won't notice the fans and there is usually enough airflow past the radiator without them. Once it made it down to the negative numbers the lights came back on and it went back into Well it all started with the passenger side blowing cold air when the heater is on. When I first got my truck, the temp gauge worked fine, from a cold start up would go to about 210, then the t-stat would open and the temp dropped to about 170 or so and sat there from then on. So i replaced the radiator cap (win) temp gauge read more normal but fluctuates radically from operating temp to white temp line. 4 Heat/Temp Issue - So I bought this truck with no heat a couple years ago. Temperature fluctuates. Like. At the 55 second mark of the video, the temperature just drops below 80. Makes I've changed thermostat, temperature gauge, fan clutch, and water pump. That temp range seems excessive to me. 3L Hatchback 5-speed Automatic - 192K miles. After that message the temp gauge continues to rise and says "engine overheated idle engine". 99. So I look at the temp gauge and it's right below If the ECT (engine coolant temp) sensor tells the ECM or BCM (engine or body control modules) that the coolant is cold, the needle will swing to C but the AC will still work. I replaced the thermostat 3 times, new intale manifold, new temp sensor on manifold, heater core back flushed woth CLR and now I have some heat. It’s designed to measure the coolant See more A common reason your car temperature gauge goes up and down, and no heat is emitted, is that your cooling system is faulty. It generally stays in the hot range though. Be Sure to watch to the end to find out what really fixed it!www. Pushrod91 Discussion starter. #3 · Jun 11, 2008. i'd start with replacing the thermostat. The overflow tank is also over full, and I smell coolant while driving. The 2018 Honda CR-V has 13 problems reported for heat not working properly. Being in CA, perhaps considering upgrading to a 180tstat instead of OEM, then change your fan settings via tuner. There could be a number of causes of a fluctuating temperature gauge but most commonly is the thermostat. The car will drive fine until it gets to running temp then it starts with these errors. A Clogged Radiator Will Cause Temperature The engine runs at the correct temperature now, and the temperature gauge I see on my dashboard no longer fails. Broken Temperature Gauge. So I've noticed my temperature gauge has been fluctuating from a cold start. When I purge these systems, I drive it till hot, then turn sharp circles both ways. Fixing: Take your car to the mechanic for changing your thermostat. If it's a gasket leak, might a stop-leak product work? Note: This vehicle also has a wierd electrical problem. The van overheated and had to be towed. NO HEAT. Block was good and cleaned properly. 2l - temp gauge fluctuating and no heat 4 Answers. Let Start and allow engine to reach normal operating. My temp gauge is only reading My 2004 buick rendezvous has no heat and the temp gauge fluctuates. 0 V6 1994 - 1996. Today, engine temperature started moving sort of erractically. Than within a few minutes would shoot up to the first red mark. There are many options for tools can use but one of the most versatile is a BlueTooth OBD2 code reader and an app on your phone where you can read different values from each sensor, including the coolant temperature sensor. Other causes of a fluctuating temperature gauge are a failing radiator fan, insufficient coolant level and a leaking cylinder head gasket. #1 · Oct 16, 2021. I took it to a Chevy service center. I replaced the temp sender, coolant tank cap, and have disconnected the EGR plug with no changes. As stated above, the most common reasons for an engine to run hot but not overheat include: – Radiator clogged or damaged. The most common reason why your car’s temperature gauge stays on cold is a faulty coolant temperature sensor. 2011 Cruze 1. If the thermostat is stuck open, coolant is always flowing in the radiator and the engine may not warm up enough to provide heat for the cabin. The engine got so hot there is no grease on it and the radiator Check if the radiator cooling fans are working. It’s no secret that computers get hot when they’re working hard. Tester January 19, 2018, 1:02am 4. Hard throttle does not make the problem Fluctuating Temperature Gauge Quick Fix on a Dodge ChallengerShould be Similar on 2011+ Hemi's (They do not have coolant bleeders, well not on my 6. It promotes quicker heating of the passenger. When engine is cooling down, coolant will be drawn into the radiator from the reserve/overflow tank. #3 · Aug 12, 2020. The temp gauge can't fluctuate that drastically without it being some sort of circuit/relay/sensor issue. In this weather, the thermostat should be open all the time anyway. If you find that you’ve got a car running hot but not overheating there might be a few reasons: Clogged or 52,000 MILES. 1997 SPORT. 2017 Jeep Grand Cherokee 5. The temp fluctuated from as high as 175f down to -24f. Also replaced serpentine belt because it needed it. On The freeway, the temp gauge would stay around the 1/4 mark, but when stopped on city roads or at lights, the gauge Then check the oven temperature before proceeding. #1 · Apr 19, 2022. and eng. The contact point might be corrded which can cause the For only $20-$30 more, buy a Behr thermostat that you won't have to replace in a month. egr was deleted with a new oil cooler and coolant flush. Associate So I have a 97 cherokee 2dr with the 4. #3. Addressing this concern immediately will prevent serious damage to Unfortunately, when the temperature gauge reads too low, too high, or fluctuates, you don't know whether something is wrong with the engine, the gauge, or something If you’re driving your car and the temperature gauge is stuck on high, low, or going crazy, the issue is most likely with your thermostat. This lasted for 2 days and then it went back to dropping the water temp, killing the a/c. Yep it really looks like air pockets. Question type: Maintenance & Repair. Common causes of no cabin heat include malfunctioning blend door (s) (part of the in-dash ventilation network), a faulty or stuck heater control valve, a plugged heater core, stuck After the work has been done I got heat out of the vents at idle, like it should. 06 range rover supercharged 4. No, just take it out. Test it by grounding the single wire that goes to the Sender and momentarily key-on your truck. I have a 2006 2500HD LLY It is new to me and I have noticed when driving around the engine temp gauge fluctuates between 180 mark and just under 210 mark. I changed the thermostst (using MotorcraftRt-1137) and now the temp gauge moves from just above cold to just before the middle of the gauge, and back again. $145. Once it made it down to the negative numbers the lights came back on and it went back into limp mode. If your car temperature gauge shows the temperature going up and down and fluctuating there are a lot of possibilities that can cause this issue and problems TheIncident88. Replace water pump and gasket with revised Water Pump (F7PZ-8501-AA) and Gasket (FOTZ There are no leaks anywhere. If they never turn on, its the Coolant Temp Switch for the fan. The temperature gauge will not move until the engine temperature is over 160 degrees F. It usually disappears after 30-60 seconds however, after getting off the highway I can hear the 07-17-2007 06:51 AM. 2000 Altima SE. You can try replacing the radiator cap, if you think it’s the problem. Fluctuating Coolant Temp Guage. If all is well and the problem continues, then look elsewhere. Usually, when the sensor begins to fail the gauge will fluctuate between 0 and 190*F or some other values in between regardless of engine load and coolant temp. Looking for feedback from anybody who has experienced coolant temperature gauge fluctuation. I have a 2014 Dodge Durango SXT and have been struggling with this for a while, the temperature fluctuates up and down, never passes the halfway line but it’ll reach exactly halfway, it will go down randomly and up, I have changed the radiator fan motor, thermostat (twice), water pump, temp sensor Temp gauge fluctuates. With heater control unit in the HEAT position, operate engine with radiator cap in place. The last week or so I have noticed the engine temperature gauge fluctuates abnormally. Check for and correct existing DTC’s. This triggers fluctuations in the temperature gauge, signaling the need for immediate attention. 0 Liter. I've read several post on problems with the temp. Dexcool is known to clog up the internals including the temperature sensor in cars of your age. If core isn't flowing well then you get random engine temp ups and downs, just like you describe, no pattern just random. A few days ago I noticed as I was on my way to work my coolant temp gauge needle went a 1/4 of the way past the 1/2 way mark on the coolant temp gauge the needle then dropped to the 1/2 way mark on the gauge and stayed there the rest of the drive to work. Car was always at 90 C when driving at operating temps. Inspect the connector to the temp gauge for damage and replace the temp gauge. Let the car’s coolant cool for 15 to 20 minutes. Monitor ECT sensor with the Tech 2. If your heat is steady while the temperature fluctuates on the gauge it could be just the sensor giving a wrong value. i have a 2011 6. Supposedly this sensor has a 16mm-1. Loose radiator cap. 3- Fuse blown in the harness (wire bundles) below the dashboard very Ford Explorer 4. Changed the thermostat, had a little fluctuating in temp. The pressure fluctuation probably did it. This gauge will tell you if your engine’s coolant is cold, normal, or overheating. If everyone's temperature gauge moved around to indicate these changes, everyone would be bringing their car into the dealer to see whats wrong. The coolant sensor temperature is usually found just beneath the cylinder head, on the engine block. my jeep 3. Faulty Temperature Sensor. My temp gauge fluctuation was caused by a leak in my radiator. gauge swing back and forth in short time. You may want to check out clogged components such as the heater core, radiator hose, Coolant Levels. There are no consistent symptoms except that the gauge moves very quickly up and down. m. Thinking I have a head issue, I bought a combustion leak Raea68 Discussion starter. Gauge would run one mark over 210 when driving. It doesn't appear to be overheating but it never did this before. I'm hoping its the thermostat and not the heater core. It's a thermostat. The temperature gauge is fluctuating but not over heating I've changed the themostat and the sensor and it is still doing the same . No kinks in this hose is important. I have a 2002 Nissan Sentra. #4 · Aug 6, 2011. Temp will be normal until driving about 20-30 minutes and then starts to fluctuate up until almost overheating. 0L v6. 1999 JEEP CHEROKEE. When temp seems to rise above normal make sure the fan is running. – Overworked engine. No heat coming out vents while sitting. 3 in a Sea Ray 185 I/O bowrider. Turn the air conditioner ON and both fans should be running. When that happens, the engine Faulty Thermostat. If controls are set for heat, the system may keep the heater core closed off until the engine warms up. There are no leaks. 2012 Chevy Cruze Temp Gauge Fluctuates. If I turn the -No heat unless accelerating -If heat is turned off, the heat will build up, and will come out for 20-30 seconds regardless of motion. Truck does not overheat, and stays within working temp range with no noticeable fluctuation on temp gauge once up to normal temp (right around middle of temp gauge). ( 1,597) The temperature gauge in your vehicle is designed to indicate the temperature of your engine’s coolant. Price range for all vehicles. Some time later I did a coolant flush and thermostat change, when pulling the thermostat out it fell apart. Turn off heat, temperature begins to climb back up, turn on heater, temperature drops When I’m driving, the temperature gauge is at half. When it comes to heat, there truly is no replacement for displacement. I have a 2014 1500 with the 5. Drove 4 miles. 7 liter with 92,000 miles. An erratic fan speed is both visually and audibly noticeable, I believe a few other members have had this problem. Bled the system of air, it evened out after about a week and it was all good. It goes as high as 195 but when i turn the heat up it drops down to about 170 or so. Have a 2004 buick rendezvous. This would allow coolant to freely flow and prevent it from absorbing heat. Now if the needle is fluctuating then I would suspect air in the system or low anti freeze. A faulty thermostat can cause your car temperature gauge to drop to cold while driving. 99 - $170. For our oven, one tick on the dial seemed about equal to 50°. On my '94 4. stabilize. Still no heat and my temp gauge still moves up and down in the NORMAL range. 114k. Still full. Now if the needle is fluctuating then I I took the time to extensively diagnose this dodge ram who's heater stopped working. Tags. So the temp gauge is normally right in touch with the coolant emblem on the gauge but every so often it will just jump to what ever position it wants. However the A/C is still malfunctioning, or at least doesn't If you notice the temperature gauge on your dashboard fluctuates up and down while driving, it’s likely an issue with the car. 03/12/2012 11:16 AM. I have replaced thermostat, water pump, as well as fixed heat. The vehicle’s cooling system may be having more of a technical error. Coolant level is correct, serpentine belt is fine, and the water pump is not making any noise. Cold weather: takes a long time to warmup (+-10miles), even longer around town with heat on from start. When this component goes awry, your temperature gauge goes up and down while driving. Follow the black wire from the temperature gauge to the grounding point. #1. Hello, thank you for writing in. I disconnected the negative battery cable and left it off for probably an hour. When standing in the front of the truck chevy cruze coolant temperature gauge not working. 2009 Malibu ltz 4cylinder. It is currently in its fourth generation of production. As the title says. I love it otherwise. Just a little background, Back in August I blew my radiator. You could let the car idle in your driveway and see if the problem occurs. You should investigate clogged Reasons for a High Temperature Gauge Reading, Though It's not Overheating. If you notice that the CPU temp is jumping up and down, try closing some of the applications that you’re not using. 4 at leas Temp fluctuates. 2014 C250, 81,xxx miles. Some more severe symptoms can include engine stalling and CELs. It goes from bout 175-180 to 200-210, and you can tell a huge power difference when it dumps the 272 posts · Joined 2010. My car has 115000 miles. Of course, the first thing you should do is check your coolant levels. I just did a complete head job on the engine (due to a head gasket leaking). It then gradually started moving. FORD: 1994-97 AEROSTAR, EXPLORER, RANGER. Right after that, I had no heat and the temperature #1. Happens only during idle. When i park or stop at a red light, the temp rises quite quickly, the heat blows cold or the AC blows warm, and the fan is Customer may complain that the temperature gauge is inoperative or reads low. When you turn off the car it stays wherever it Upon warm-up, my temp guage goes to about 210 and the thermostat opens and settled down to 195 and will stay between 195 - 200 on my guage. A “thumping” noise or temperature gauge fluctuation may occur on some vehicles. If you shut it off for just a few minutes it will be hotter when you restart for a very short time. temperatures. You want 100% circulation of the coolant. HondatechAV6. It takes a bit to warm up and have the temp indicator to get to half way from a cold start but when it does reach half way. To be clear, there were no issues with the temperature of the air blowing out of the vents. 0l it was the heater core, partially blocked. Jan 7, 2017 #1 Jan 7, 2017 #1 I just replaced the thermostat. SOURCE: Temperature gauge fluctuates and the heater blows cold air. A malfunctioning thermostat can manifest in two ways. The temperature gauge fluctuates between halfway to nearing the red zone. – Thermostat damage. Lately, it's been intermittently losing the temp gauge while driving (points due south) then, when my wife gets home and turns off the key, the fan goes full-bore for about a minute before it turns off. A failing radiator fan will be erratic. Thought my heater did seem to work a little better than before. Seems like it goes into limp mode when it gets a negative number. It's hard to tell though because I'm mainly only on the highway. I know my car fluctuates between 186 and 197 and the needle barely moves, I view the temp #'s via evic. Ran engine with the cap off, filled system. SELECT YOUR VEHICLE. The temp. temp and see if you notice any change in air temp out the heater ducts when the temp drops to 120*F or so vs. It goes between 1/3 and 2/3 of the gauge, normally it stays closer to the middle or lower though. Other causes of a fluctuating temperature gauge are a failing radiator fan, insufficient coolant level chevy cruze coolant temperature gauge not working. Psy Chevy cruze temperature gauge not working, no heat Cruze gauges 39k speedometer Cruze ltz controls 2011-2015 chevrolet cruze: problems, fuel economy, driving experience. The other fluctuation could be the thermostat opening and closing. The temp gauge was fluctuating up and down and getting too hot. Fwd about a month and half later. I guess that makes 3 reasons for that to happen. When stopped in traffic jams, long stoplights or just moving very slowly for a long period the temp gauge shoots up very quickly creeps towards overheating then drops suddenly as a fan kicks in. Basically for all the fluctuations on the gauge the temperature is steadily between 106 and 109 deg Pineapple said: The one on the rad is the fan switch, I believe. If you have 2 one will come on and off with the A/C. You don't want that to happen in this case. Good luck to you. The light does not directly relate to the position of the needle on the gauge. Warm engine to operating temperature. 99 - $114. The Ram 1500 is available in a variety of trim levels and bed sizes, and it can be equipped with either a Drove it around for about 10 mins and the car stayed at 210 on the gauge (as it should) and the a/c worked fine. Lately my jeep has been over heating so I thought. I typically cruise around 70. Engine Cooling problem. My Banks confirms the temp change. I'm getting fluctuating temp on my gauge and I get a random leak from what seems like the radiator (down by the drain valve). Solution: The cause may be irregular flow of coolant moving through the cooling system. the 190*F. The problem did not get fixed. You just disconnect the 1-2 wires and then undo it with a wrench. 1 post · Joined 2022. The sensor will look like one of these: 1999 Chevy Lumina ltz 3 8 v6 coolant temperature sensor Google Search. i have changed the read more. by Steve83 » Thu Mar 09, 2017 8:23 am. I floored it a couple of times and the heat in the cab was coming back. a few days ago my temp gauge started to fluctuate and at times goes in the red zone and the check gauges light comes on and i get no heat, then it goes back down and i get heat. with 29000 miles no cab heat at idle. Air pocket will mess up the sensor reading. Bad water pump or related problem. 00. I pulled into a 7/11 and the temp started coming back down. oy kw cj ln gx rv ud px pr sm