Engine temperature fluctuating. Got a hold of a temp gun.
- Engine temperature fluctuating Clogged and faulty components of the cooling system are unable to regulate the engine temperature and the gauge fluctuates between cold and hot. I did notice that when the radiator fan kicks on high, this is What would be causing my truck temperature to fluctuate at average operating temp when driving down the road? It fluctuates up to 4 degrees above normal operating temp; I don’t understand why it would fluctuate below normal operating temp 4 degrees when driving normally. Identifying it requires a little mechanical expertise. Never I have noticed that the engine temperature gauge begins to display the current temperature above 226 degrees. Radiator was about 45C all over except very top near where hose from engine goes in which was 65C. At the 55 second mark of the video, the temperature just drops below 80. During my recent "think this is my last ride for 2024, again" ride, I noticed the engine temp fluctuating. Thread starter Paytrose; Start date Jan 26, 2016; Paytrose Ready to race! Jan 26, 2016 #1 When the engine reaches a certain temperature, the thermostat opens up to allow coolant from the engine to flow through the radiator. throwing engine light. My engine temperature gauge has been fluctuating, mostly in city, on highway it stays in the middle range. Post by USAF93 » Sun Mar 05, 2017 10:58 pm. C8 General Discussion - Engine Temp Fluctuating - I have a 21 C8 that is currently out of warranty, purchased from auction, and fully repaired. Usually it will stay one notch under the halfway point (210), but it’s been consistently going between one notch under 2007 Kia Spectra engine temperature fluctuating. The engine stays at this low temp (and barely fluctuates, if at all) until heat’s fan is turned to lowest setting or off, at which point the engine’s temperature returns to img #1 after 60 to 120 seconds. This article will delve into the causes of these When the engine reaches a temperature of 230 degrees F or higher, it is considered to be thermally overloaded. Temperature is fluctuating but not overheating. 234 would routinely pop up and then drop through 232, 230, then 228 and then back to "normal" no temp indicated. Finish drive. It gets up to 200ish and then drops back down to 190ish a few mins later. Which I assume is ok. It will start out from initial start cold and climb in temp, You can then rule that out if the temperature fluctuations continue. The power is supplied on the B terminal, probably yellow depending on year, and the ground Engine temperature fluctuates while driving . Armed with the information in this guide, you’ll be able to identify why your temperature gauge bounces around and determine if it’s a quick fix or major repair. Not sure on your model year, but on mine, I can monitor engine temperature from the center portion of the instrument cluster digitally in addition to the gauge on the dash. 8 silverado 1500 2wd. Jump to Latest 13K views 6 replies 4 participants last post by PLP Jan 13, 2016. Got a hold of a temp gun. Notice that Engine Temp Gauge Fluctuating?? Jump to Latest 19K views 12 replies 6 participants last post by Joestsx616 Jul 15, 2020. I keep and eye on it during my 30 min. . When the engine reaches the right temperature (195-220F depending on vehicle) the thermostat opens to allow coolant to enter and maintain the right amount of heat. Have you considered replacing the thermostat?. Jump to Latest 21 - 36 of 36 Posts. Release button & press repeatedly to scroll through readout functions (rpm & temp for example) stop on temp and drive to see if reported temp to computer matches gauge. Stop engine, connect the scan tool and select appropriate model year and engine option. Warning! Never remove the radiator cap on a hot engine. How to Diagnose Fluctuating Engine Temperatures. Yesterday I was idling my car for about 15 minutes with the heat on after getting to work and noticed my temperature gauge stuck at the 1/4 mark for the whole time. comments. Joined Feb 13, 2007 Location Downers Grove Illinois TDI 1997 Jetta TDI Jul 15, 2009 #1 Today my temp gauge started going a little wacky jumping from 190 to 230. USAF93 Regular Member Posts: 63 Joined: Thu Apr 10, 2008 1:24 am Truck: 1995 F150 Styleside Super Cab Location: Hampton VA. Air pocket will mess up the sensor reading. Fluctuating engine temperature: my car temperature is sometimesTemp hemi Takeoff flightEngine management. 6L 28,000 2013 Equinox 3. At 60 mph, engine coolant temp was slowly 221F and 238F. It didn’t fluctuate as bad after that but it still isn’t quite right. 3. 6L 193,000. Thread starter digscruze; Start date Dec 1, 2020; The engine will gain temp faster than the t-stat opens fully and you see the indicated temp rise higher than "normal" while everything is settling into the full temp operation. Recently my engine temperature gauge has been moving up and down if a short amount of time. Ignoring fluctuating readings risks serious and expensive engine The most probable reason why your car temperature gauge drops while you are driving is that your thermostat stays open. Near home, at 40mph, engine coolant was only hitting 230F. When the truck warms up the gauge needle will approach the C line, and then right after passing it begin to travel back down below it. Of course the Solstice's is digital, and will read real-time temps. Jump to Latest If we are talking engine coolant it sounds like the thermostat is stuck closed. I was doing some troubleshooting its leaking. If you notice your engine temperature fluctuating or your coolant level dropping, it’s wise to inspect the thermostat. Here are the symptoms: Wide range of engine temps while city driving. plus when I turn the engine off, I hear bubbles and popping. when entering the freeway) or at high speeds. Velocity280 New member. Was hard to get a good readings as alot of stuff in the way but pretty confident everywhere was 45C. 1995 F-150 Engine Temp and Heater Fluctuation. Get one of those IR temp guns and use it to check the temp of the engine right next to the temp sender while the problem is occuring, and see if you are getting the same thing (or close to it) on the gun. I drained both the radiator and the engine block and re-filled with the correct 50/50 mix and now the temperature never goes above 100C setting in traffic for along time Additionally, we examine the impact of temperature fluctuations in a finite-size Carnot engine. I think theyre set up- so the needle does not sway left and right with actual engine temp fluctuation--or else theyd have folks driving in- complaining of engine getting hot all the time. commute to work and every so often Ran great for about a week, but now the coolant temp keeps fluctuating between 1/2 and 3/4, occasionally high enough to start yelling at me. Temp fluctuations. The engine in your vehicle runs hot. I've got a scan tool coming this week to find out if there is anything more serious going on. Coolant temp fluctuating. I figured this new thermostat was Engine Temperature fluctuation. User Info. acuratuner00 Discussion starter. Apon accelerating up to highway speeds (80mph in SD) and after cresting a hill the temperature gauge reads 230-236 degrees. 2023 Traverse LT 3. It's a winter thing and it's normal. In my 2010 Fusion, the thermostat begins to open at around 186 degrees, and reaches 100% open @ about 208 degrees. Jump to Latest 15K views 18 replies 8 participants last post by An92 Feb 21, 2019. The temp gauge fluctuates from normal (185-200) jumps to 250-270 than immediately back to normal. Jun 21, 2017 A slight fluctuation is actually 100% normal. T. I’ve been a little stumped on my cooling problems with my 03 lately. just 2 weeks ago I found the hot air from the 2 center air vent after I press the accelarator hard. If they do it'll be through the coolant bypass valve,which routes the majority of the coolant through the heater core then out to the engine oil heater and the transmission I've read several post on problems with the temp. 5 hours until I was able to get antifreeze and put some in reservoir. Ever since then my engine temp fluctuates from where it used to be rock steady (a Temp Gauge Fluctuates At Idle- Main Causes. Fluctuating Engine Temp. Replaced the G62 temperature sensor, still getting a fluctuating temperature gauge! GTI's I did check my temperatures with the engine running with VCDS 85 degrees C. This accounts for the coolant temp fluctuations that occur normally Coolant temperature fluctuations. Recently it’s been intermittently fluctuating- it’ll go up to about 60%, come back down to 40%, and move around on its own volition. it makes inside the car very hot!I's never hapeened before. Tuneman07 Veteran Member. Temperature Fluctuations: You might notice the temperature gauge fluctuating more than usual, rising and falling erratically. For anybody who searches for this thread on Google, if your temperature fluctuates quickly, within less than 10 seconds, it's most likely the temperature sensor. 22 posts · Joined 2015 Add to quote; Only show this user #1 · Jan 12, 2016. Faulty Thermostat Valve; 3. I haven't had the fluctuations you are having getting up to operating temperature though, but you have a completely different (diesel/ 4 cylinder) engine. The coolant stops flowing when there are faulty radiator fans, resulting in a fluctuating temperature gauge. After about 20 seconds on plane, the temp gauge fluctuates wildly. Jump to Latest Hi, my 2015 Silverado V8 5. My Banks confirms the temp change. I filled the coolant as usual. Coolant Issues; How To Fix Engine Temperature Fluctuations? 1. I just noticed that it has started to fluctuate from 198 up to 208. This may be related to the activity of the AC, which only produces cool air when moving, and only then at fast fan rates. The temperature gauge is the only one that changes and it starts fluctuating between 160 and 260 but would normally smooth out and today it just stopped on 160 and ran horrible, no power wouldnt accelerate and lunged terrible. If the temperature gauge is stuck in the cold, the car gauge could either be broken, or the thermostat has gone faulty. 6L Summit (with towing package) with 131,000kms. This is why modern cars use non-reactive (analog) temp. I bought it used about 3 months ago, within a few days of buying it, it threw a code for the thermostat. propellanttech Cadet. VIDEO: A Fluctuating Temperature Gauge in a 1999 Ford Ranger 5. OTED877 MEMBER; 2004 CHEVROLET IMPALA; 95,000 MILES; 2004 chevy impala, temp runs up to midway point then comes down to 1/2 way between 1/4 and 1/2. The temperature gauge, if you want to make sure that the engine’s temperature is just fine and that the gauge is working well, should only be somewhere close to the middle of the gauge and may go up and down in small increments. If you car heats up to 190* and your t-stat is a 190* it will open and all that cooled water in your radiator is now introduced into your motor, thus shutting your t-stat My 07 GXP has developed a case of widely fluctuating engine temperature ranging from 192 - 247. For the last few months i have noticed that my temp gauge fluctuates while driving. It goes way up and then comes back down, over and over. I checked the old thermostat and it was indeed faulty. it never gets hot but it will rise 2 bars on the temp gage and when it rises to the second bar over where it normally reads my ac will Hence a fluctuating gauge is reason for concern, as it points to possible faults elsewhere. This temperature drop happens even whilst I'm doing consistent motorway speeds. The heater is blowing hot, so I think the water pump is ok. I have flushed/burped coolant, changed thermostat, temp sensor guage with no resolution. Good afternoon all, It's been awhile since I've posted here, as my Nova has been neglected as far as mods and 2014 C250 Engine Temperature Fluctuations. 4l fluctuating engine temperature ??? Jump to Latest 8. The fifth search result provides an example of coolant temperature fluctuations in a Ford engine. Viewed 921 times 3 what would cause my kia's engine temperature to start fluctuating. I checked the replacement thermostat and it isn't broken. 0tdci with 135k, my temp gauge fluctuates from 90 to about 75 when driving and when heater on blowing. Faulty Coolant Temperature Sensor. The engine temperature really isn't moving all that much even with a fluctuating gauge. Today, engine temperature started moving sort of erractically. 6K views 5 replies 6 participants last post by moomps Dec 26, 2019. Car was then running fine for a couple weeks. (about 185 degrees F. Jump to Latest Hey all! I might be paranoid but I really don’t want to lose my engine to negligence. Modified 4 years, 3 months ago. My temp gage used to hang just a needle short of half way all the time. Temperature of engine two at takeoff for flight 5186. If your gauge is like mine it is in centigrade. The Engine. I recently put in a new alternator. after reading this thread i changed the temp sensor, what a joy in it's location. Today it's a quarter away from Engine temp fluctuation. 47 posts · Joined 2007 Add to quote; Only show this user #1 · Feb 2, 2013. Faulty Thermostat Valve If you hold the odometer reset button on startup, after engine is running it should enter "test mode". I always set it on auto 23C". Typically under highway driving, it’ll sit at, or slightly above the halfway point between the 1/4, and 1/2 mark. 3 engine temperature. Out of about 7 thermostats that I have replaced in the past 15 years, only about 2 have maintained constant engine temperature -- approximately 170 degrrees. Diagnosing the exact cause of From that point to today, the temperature gauge shows that engine reaches normal temperature after about 3 min of starting and stays normal (regardless of driving condition) for about 10-15 min. I have a 2020 Colorado with the 2. I was driving my Dodge Ram 1500 on the highway. I changed the thermostat, the upper and lower sensors, the impeller, flushed the engine and cleaned out the debris filter of residual debris in my cooling channels within the engine, also changed the water pump and water pump gasket. Little help needed here just 3. Jump to Latest 450 views 2 replies 3 participants last post by Too many hobbies May 3, 2024. 14 posts · Joined 2008 Add to quote; Only show this user #1 · Feb 5, 2017. Check if the radiator cooling fans are working. Ask Question Asked 8 years, 3 months ago. This means that when the engine temp fluctuates within the safe range, the gauge stays put and the owners don't bother the dealership for no reason. Hello all, Hopefully I posted this in the right place! Empty radiator, engine temperature fluctuating. Very hot. No check engine light. It does not stay at 120 for a long time, maybe like a blink then goes back quickly to 85-100. Temp will be normal until driving about 20-30 minutes and then starts to fluctuate up until almost overheating. Turn the air conditioner ON and both fans should be running. Modular V8 (4. I noticed it ONLY happens when I step on the gas (ex. Today I decided to start my car and let it run until the The ECU is programmed to set the gauge at the midpoint unless there is a significant fluctuation in the temperature of the coolant so the "gauge" in a modern car really doesn't read a specific temperature, it just tells you whether the coolant is in the cold range, the normal range, or the hot range. It will swing from 100 degrees to 200 degrees in about 3 seconds. The thermostat is slow reacting and engine load will change engine temp pretty quick. At first it wasn't an issue The highest temperature (about 225), and the lowest, is only by first opening of thermostat, starting from engine fully cold. maybe about 15 minutes so I didn't think my car engine would reach normal temperature. The engine coolant temp sensor receives power from the ECM and the ground is also back thru the ECM, not the engine. Sent from my iPhone using Tapatalk LBZ Engine Temp Fluctuation ? Get about 2 miles down the road and notice that the engine temp is already at 205 degrees. Back and forth. It’s also possible that there is air in the cooling system. This never used to happen before. If the thermostat is bad, it may open and close continuously and cause the coolant temperature to fluctuate up and down. Hot coolant may squirt forcefully and cause serious Now about 6 months later the coolant temp gauge is fluctuating again in the same way. gauges stay pretty much put in a specified range, and don't inform the driver of normal engine temperature fluctuation that occurs in cars with electric fans, as the digital gauge will. I recently had the check engine light on with the P0420 code which indicates a bad catalytic converter, I had that replaced and I was hoping that maybe the The temperature gauge fluctuates between 80-120 sitting in traffic quickly. Engine speed and temperature of turbine housing versus time during heat. If the problem is caught quickly you can save the headache of a Engine Temperature Fluctuating. 3 recently started to show temperature fluctuations. This is just around town driving, 5 miles to work and back, 60 mph tops. A malfunctioning thermostat can lead to overheating, which increases the risk of coolant leaks. When your truck reaches 190 the thermostat is opening and shooting cold water/anitfreeze into the motor and cools it down very fast hence the fluctuating then once it reaches 160 it closes back to allow the motor to warm back up then the process repeats itself What you need to know is that a temperature gauge that’s fluctuating erratically isn’t normal. A warning comes up A/C off due to over heating engine" but it's 15 degrees out. If both your temperature gauge and the heat inside the car fluctuate, it is definitely time to check the My 2017 3. So I plugged her in to my ODB-II scanner, and the engine temperature it is reading is fluctuating between 180-190, going up and down and up and down, never going above. Like the coolant is boiling. So I have the 2015 JGC Limited and recently have been having some issues with the temp gage fluctuating all over the place from where it would normally sit around 1/4 of Temp gauge fluctuates. Temperature gauge needle is on Hot, but engine is not overheating. when you have been driving a while evrything has warmed up 2011 Cruze 1. 4 mpi Mercruiser Bravo 3. Post: Fluctuating Coolant Temp up, donw, up, down (Topic#232576) Big6ft6 Forum Newbie Posts: 19 Reg: 12-23-09. (Stopped by Autozone and picked up a Quicklink OBD scanner) At 70 mph, engine coolant temp was slowly bouncing between 223F and 243F. fluctuating engine temperature. I didn't check it while driving to watch the fluctuation, but I do believe the gauge is accurate in the temperatures it's seeing. This significant fluctuation of 17 degrees Fahrenheit can be a cause for concern and may indicate a more serious issue with the My car temp gauge is fluctuating. beetwen about 202 and 186, no matter how fast the car is riding, or how high is engine RPM. 1 2. ? Mechanical Vehicle has 15000K miles The engine light is on for 2 codes. Start and allow engine to reach normal operating temperatures. As the title says, I have a 2015 Jeep Wrangler. '95 854 T-5R, Motronic 4. Therefore, if the thermostat is not doing its job properly to maintain an even temperature in the car’s engine, you may experience temperature fluctuations inside the car from the vents. I have a 2011 Hyundai Elantra and the temperature gauge started moving up and down while driving today. Hangs just below redline on gauge, then drops to normal. If your car temperature gauge fluctuates at idle, something bad may have happened to the components inside the cooling system, such as the radiator fan, head gasket, or water pump. I usually camp at 9000 feet, so it's a pretty long and steep road to get there. 4's use coolant to heat/cool the engine oil. I feel like this is odd. 5L Ecoboost that keeps having issues with fluctuating engine temp. 2. 48 posts · Joined 2012 Add to quote; Only show this user #1 · Nov 15, 2013. Other causes of a fluctuating temperature gauge are a failing radiator fan, insufficient coolant level and a leaking cylinder head gasket. Engine temp fluctuating. sandkicker Outstanding Contributor. I may have the same problem the engine temp fluctuates from 160 to 192 average driving, pulling or going 75 mph the temp rises to 192 to 203 kicking on my fan clutch also the mileage sucks really really bad(4wd), i changed thermostats, fan clutch, antifreeze have no idea what else could be but just took a trip of 200 miles pulling a 36' gooseneck with 12,000 lbs #3 – The Engine Temperature Fluctuates Up and Down Your thermostat regulates the flow of coolant through the cooling system and engine by opening and closing at a determined temperature . While driving the engine reach the optimal temperature then it goes down a bit, reach it again and so on, if I just warm it in idle everything is normal, is this normal or should I do something? The temperature fluctuates and then my printer stops. 6L, 5. No apparent temperature issues outbound. 10-13-2004, 05:40 AM. Vortec 4800 4. Sometimes the alarm starts to buzz, which I believe is an overheat alarm. it's about 20 seconds. The thermostat is a dynamic device in most cars. The 'normal' running temperature is 80. Twice now, the temperature gauge quickly rose to 3/4 and then dropped back to normal. P. I watch it and in a matter of about 5 seconds it drops back down to about 180, which is what i normally see in cool or even colder weather. 5 4 cyl. is rising to 180 before rapidly falling back to 120. -> NO Reply Ryan3395 Gen 4 2015 Kia Cadenza, Engine temperature fluctuating, need advice. The coolant temperature started fluctuating recently. If you are experiencing temperature gauge issues, you have a reason to worry. 8L V8. The gauge will only move when the engine overheats (>240*F). If different, gauge problem. Hmmm. Went for a small drive until needle just started moving on from operating temp. Thus my ambient temperature theory. 0 Supercharged. The engine temp on my 04 Silverado started fluctuating today. This can cause the temperature gauge to rise into the red zone and potentially lead to severe engine damage. Here’s a real-life example. 1 Testing an ECT Sensor Using a Digital Multimeter 4. Start engine after 2 minutes; back in normal zone. If the water pump is failing, it may not have enough power to keep the coolant flowing from the engine into the radiator and vice versa. Idling issue and fluctuating engine temperature: my car is listedFluctuating coolant Coolant temperatures at the engine inlet and outlet with the engine-outEngine temperature etr slide turbine. 1. When the engine temperature strays outside this range, whether too hot or too cold, it can lead to inefficiencies and, in worst-case scenarios, severe engine damage. temperature gauge too low while the AC is on. I used a scan gauge to check water temps and see various temps during operation (185*F to 210*F). mike77cj Regular Contributor. Fluctuating Engine Temperature. Send Private Topic New engine, new radiator, new theromstat, new temp senderwhat could it be? Email Report fbi9c1 Frequent Contributor Posts: 1921 Loc: Los Angeles The sensor is designed to keep the temperature gauge in the normal range, even if the engine coolant temperature fluctuates. If the readout on the climate does the same fluctuation as the dash guage then I suggest you either have a fault in the cooling system (thermostat or similar) or a faulty engine temperature sensor. jpeter6981 Discussion starter. 8 posts · Joined 2023 Add to quote; Only show this user #1 · May 3, 2024. When it is stuck in the open position, what Erratic temperature fluctuations could be caused by failed fan resistor or relay. Damaged Cooling System; 2. I replaced my thermostat when the temperature guage suddenly shot up above 3/4 one day. Jump to Latest 3. The truck wants to lunge and try to cut off and when stopped it lunges and you cant hardly hold it still. ) so that looks OK. Up until now and since new, the temperature readings have always been in the middle range except when driving into the mountains where it would Symptom: Temp gauge after warm-up is rock-solid at just under 170 degrees until the boat starts to plane. Thread starter Dengitpeter; Start date Apr 13, 2022; D. When should engine fans turn on to cool transmission? 0. The engine temperature will be more affected by the ambient air temperature. I popped in another new tstat and the same thing happens. Jump to Latest 1. Renault Megane 1600cc 1997 - engine temperature fluctuating. And I also know that the hot air Fluctuations in the temperature gauge, steam or smoke from the engine, and coolant leaks are all indications that your engine may be experiencing temperature-related issues. Fortunately it would cool back down to 210 but the fluctuating is not something I have seen on my truck before. Jump to Latest 13K views 58 replies 6 participants last post by C250guy Sep 26, 2022. But you'll want to do so regardless, since the orange stuff protects the aluminum engine parts better than the green stuff. 14 posts · Joined 2019 Add to quote; Only show this user #1 · Dec 18, 2019. A malfunctioning Coolant Temperature Sensor (CTS) can significantly contribute WHY IS MY TEMPERATURE GAUGE FLUCTUATING? Posted on November 11, 2019 in Automotive Repair. Auxiliary fan kicks on, so that's fine. It fluctuates like this continuously. Then a new problem appeared . Gymguyjeep Discussion starter. At normal city driving speeds, the temp stays pretty normal and steady. Jump to Latest It sounds like it could be the engine coolant temperature (ECT) going bad, which would be a fairly cheap and easy fix to attempt as far as throwing parts at the problem. Engine temp bounces from normal up to just below redline. It Should be the same. Typically my truck runs right at 210 but today started increasing to 230-240. 4K views 3 replies 3 participants last post by abbott013 Feb 5, 2017. 6L 130,000 2003 Trailblazer 4. 6 which just started late last week. Run it and see if your engine temps stabilize and it stops sucking The water pump’s job is to circulate the coolant. I have a 2014 GC WK2 3. 2K views 12 replies 9 participants last post by NYH1 Apr 1, 2020 I’m having an issue with the engine temp fluctuating from 193 to 201 consistently on a steady drive. Loss of water in the radiator. A coolant shortage is a common reason behind overheating. white exec wrote: ↑ Wed Jan 27, 2021 5:39 pm It does sound like classic leaky/open thermostat, but you've replaced it with new If you can get to the thermostat housing, and can feel the temperature each side of it (eg engine block and main hose leaving the 'stat), try starting the engine from cold, and feeling the temp on the block side of the 'stat. For more specific insight, scroll down to the list of the main causes of the engine temp gauge fluctuating at idle below. A Why Does My Engine Temperature Goes Up And Down? 1. 5. The 454 gauge temp fluctuating issue. Only show this user. An overheating engine is never a good thing to have happen. Had coolant temp hitting -30 up to normal reading. r/airpods. Problems With Radiator; 4. Another fluctuating periods (with engine hot) are with the temp. G. it was only 170-180 which is actually under-temp and fan just made it even more under-temp which can be as bad for an engine as There isnt a problem with your trucks its just these trucks have extremely effiecient cooling systems. 5tt with about 42k miles. Going from 200 degrees up to 240 sometimes 260 degrees. Is the system voltage (battery voltage) fluctuating "in line" with the temp guage fluctuations? Thermostats to get "tired" after a while and can become slow to respond to the change in water / coolant temperature. Once I'm at a light long enough the temperature starts to gradually rise. Set air conditioner (if equipped) and blower fan to OFF. -> NO Poor heater performance, especially at idle. However, now the temperature fluctuates from normal to almost overheating. As the coolant in the engine reaches temp, the t-stat opens and there's a flood of VERY cool coolant, this causes the temp gauge to drop and the t-stat to close because the coolant is below temp again. The temp sensor should be on upper hose neck on the engine. 4. It goes on and of with a recall they need to fix (waiting on parts) anyways as I'm driving along. My engine temperature fluctuates between 189-218 pretty quickly the last few days. Basically for all the fluctuations on the gauge the temperature is steadily Engine Temp Gauge Slight Fluctuation. Exhaust exchanger fluids recoverEngine temp fluctuating Coolant torqueHemi engine temp fluctuating. I believe it's a problem with the thermostat, as the Engine temp fluctuating. I have a 2002 Chevy Impala with the 3. Once the car gets up to normal engine temp, I have standard temp levels in stop and go traffic. One common cause is a defective thermostat, a component that is inexpensive and easy to replace. Thanks in advance. Does anyone else have this issue and 2015 - 2020 Ford F150 - Fluctuating Temperature Gauge Issues - I have a 2016 F150 3. My temp gauge fluctuation was caused by a leak in my radiator. It could be stuck such that the engine takes a long time or never actually reaches normal operating temp when the ambient air temperature is General Q & A - Fluctuating engine temperature in my 2000 7. At first, it may only start to overheat Ran it with the engine facing up hill for about half an hour after a 20min drive to warm up the engine temp crept up and then sank back down on it's own and stayed there. '11 LTZ, born Aug 2010, Fairfax, KS V6/A6, Red Jewel 2015 temperature fluctuating. The car has 180K+ miles on the original engine. Jeep began to overheat yesterday but would then go down to below operating temperature then back and forth. I could watch it and over, about 7-10 seconds, it would climb to 83ºC, then 2015 Wrangler Engine Temp Fluctuating. I can be cruising and it can jump from around 190 to 215, and then it can quickly go back The ideal engine temperature is between 195 to 220 degrees. 4 mpi Mercruiser Bravo 3 - I I have a 2000 7. My truck is a 2016 3. B. Faulty Temperature Gauge or Sensor 3. I suspect the AGS will open briefly at higher speeds to reduce Re: engine temperature fluctuates? I had this fluctuation problem with my thermostat as well. 350 posts · Joined 2007 Add to quote; Only show this user Engine temp fluctuating. Compare the climate temp display with your dash. Maybe start over on that link from post 1. As the temperature of the engine and hence thermostat increases, the thermostat opens (usually about 90 degrees or so) and lets coolant flow throughout the engine and through the radiator, this cools the engine. It seems there is an air bubble or something. 6 Ram temperature guage cluster fluctuates from 200 degrees to 260 degrees. It will begin to open at one temperature, and open slowly, depending on temperature until it reaches 100% open at a higher temp. 4L 4 cylinder with 105K miles. I'm experiencing rapid engine temperature changes in my 2019 Jaguar XJ50 3. Jun 19, 2017 BTW testing your engine on the garden hose for anything except to flush and see if the engine starts is a waste of time. A failing radiator fan will be erratic. Cylinder Head Gasket Leak. abbott013 Discussion starter. A fluctuation as described once up to operating temperature says to me that there is something wrong although not sure it is going to be a problem with the engine or cooling system. Joined Jul 30 I just did an engine swap in my 2000 Silverado. On a digital reader Coolant temp fluctuation is completely normal and will vary with engine load and air flow across the radiator. I live just outside Santiago, Chile at an elevation of around 2,500 ft. My Lexus IS200t's engine temperature has started fluctuating a lot when driving at highway speeds, like 70 km/h (43miles/h) or more. The diesel engine is very thermally efficient so doesn't produce that much waste heat unlike a petrol. 2007 Kia Spectra engine temperature fluctuating. It always happens after driving it, if I give it a little throttle the temp comes down. Tags coolant overheating. By addressing these signs promptly and seeking professional assistance, you can prevent further complications, ensure safety on the road, and avoid costly repairs. parisjeepcanada Discussion starter. 4L I changed the thermostat and recently the water outlet Before changing the water outlet my car would run at 190F occasionally going to 199F After changing the water outlet it will climb to 225F(occasionally 234F) then while driving drop down to 190 and slowly start climbing again Engine Temperature Fluctuating; Not logged in! Hey there, welcome to BigCarClub! You don't need to be logged in to view the forum but the experience will be so much better if you are! Users can login or if you don't have an account already, you can create one for free by clicking the Register link in the top right corner of this page. Jump to Latest 13K views 4 replies 5 participants last post by JeepCares May 9, 2013. I had your same concern though as my dad's 2017 sierra with 5. Mine will go up about 10 degrees in a good 8-10 second pull then slowly drop. A. 8. Ask Question Asked 4 years, 6 months ago. Reply. D. 5 hours) and it did this for about 1. Drove back today. The temp still fluctuates just like before, you just can't see it, the '98 and 24 valves basically have a idiot gauge. , but what I'm getting at is now a days analog temp. My coolant level regulated and after the first drive the temp started fluctuating from normal temp to just over 210. Set the parking brake and verify the transmission is in park or neutral. Ignitrous · Registered. Check the system voltage while the engine is running and the temp guage is fluctuating. Water Pump Issues 5. Got it The temp gauge is just an ornament for peace of mind and does not really work to show real temperatures. 160 posts · Joined 2011 Add to quote; Only show this user #1 · Nov 16, 2011. I noticed that the Then I started to read more about the active grill shutters (AGS) that open when the engine coolant temp gets a certain predetermined temperature. I didn't notice this happen ever running the AC and dragging the camper from PA to MT/WY/CO and back to PA mid July too late August last summer. I've burped the system multiple times. If the heat is then re-activated, engine temperature drops. It's carbon copy of the exact repairs you have done then the engine temp fluctuates Ron D is a pretty smart fella and even I'm smart enough to know that if you plug the bypass the upper radiator hose will suck closed. Engine Temperature Fluctuating. If these hoses become blocked or kinked, they can restrict the flow of coolant, leading to a potential increase in engine temperature. so my engine temperature gauge was jumping like someone in heat and I even got check engine codes. Coolant is at the correct level, I’m leaning towards the thermostat being messed up. 2L 189,000 2010 Traverse 3. When I go above idle, the Wanted to post this to help others. On many of my previous vehicles some temp fluctuations would not have been out 1995 F-150 Engine Temp and Heater Fluctuation. Engine rpm fluctuates in sharp drops and rise The one on the rad is the fan switch, I believe. Temperature Gauge Fluctuating. -the gauge usually rests slightly below the halfway point of the gauge -today, it crossed the halfway point threshold, it went up to 3/4 max 2015 - 2020 Ford F150 - Fluctuating Engine Temp - So I feel in the past my engine temp would stay steady at 201 if I remember correctly. Hi, I have a 2002 Chevy Cavalier 2. I took it into the dealership and they swapped out the thermostat without issue and everything has been fine for the past few months. So I look at the temp gauge and it's right below half. In this weather, the thermostat 5. Joined Mar 9, 2006 · 550 Posts #21 · Feb 4, 2013. During my recent ride the engine temp was fluctuationg between 79ºC and 83ºC. This past week or so I’ve been making 40 mile drives back and forth each day and have noticed the temperature gauge fluctuating slightly. Thread starter Velocity280; Start date Jun 19, 2017; V. 7 LS stays pinned at 210 even under a heavy load. 3K views 12 replies however I have had coolant temp gauge fluctuates somewhere at 180 degrees F to to 210 degrees F, system has been bleed out air possibly however the gauge fluctuations has me spent out any recommendations? 2003 4. After that the temperature gauge will slowly creep up to about 3/4 hot and then quickly move back and settle at normal. Jump to Latest 16K views 35 replies 19 participants last post by ChevyII MD Mar 24, 2013. When warmed up, my engine temperature now fluctuates between 1/4 and 1/2 according to the guage. J. Thread starter Tuneman07; Start date Jul 15, 2009; T. I put a new radiator and water pump when I did the swap. I figured it was the thermostat, changed it out and still same symptoms. david ryno Discussion starter. I?ve had the thermostat, water pump, temperature sensor all replaced, but keep having the same issue. When cold coolant starts flowing through the engine, this is when our temp gauges show A clogged radiator restricts coolant flow, preventing the engine from cooling properly. RE: Fluctuating Engine Temperature and automatic climate control other problem about my car is the Automatic climate control. 0:12. 4, 185k '98 V70, T5 tune The engine should be at normal operating temperature. It is best to pull over and have the car inspected by a professional mechanic to identify and fix the problem before continuing to drive. Driving at 80km/h, car was warmed up (been driving for about 25 minutes). When you try to fight it with a different stat it usually makes it run too cool all the time and takes 50 miles for the heater to work. 3 hr drive home & watching temp gauge: occasional brief creep into red zone with I was driving and asking her to record/hold the phone. Once I put it all together, the temp fluctuates from 190 to 230. Hello, over the past few weeks i've noticed that my coolant temp gauge has been fluctuating in between 80-100 degrees. Just for background, before this issue my truck pretty much stayed right around 210 on the gauge with little to no fluctuation. Noticed the engine has been getting hotter, the arrow on my dash jumping just a little when driving recently during the last two days ago. But towing my camp gear (about a 6k lb load) it's not uncommon for my engine temp to hit 230 climbing. However, you must ensure that the coolant tank is full and free of leaks. Original stat at 88,640, also i Don’t have any heat, the blower motet is working and the different modes seam to work as they should. I think the 6. Another key point is the needle for the engine temperature. 1 Water Pump Is Sucking Air 6. Pull over, check AF-OK, serpentine & water pump; no issues. If idling for long periods of time, that needle will come very close, or sit at the halfway mark. Scimitar 7 Discussion starter. Coolant always runs through the heater core, regardless of engine temp and regardless of where you move the control setting inside the cabin. Mazda6 radiator fan runs after car turned off. Thread starter mike77cj; Start date May 31, 2008; M. TiTX08 Discussion starter. Dengitpeter New member. A bad radiator cap can also be the reason why the car temperature gauge goes up and down while 2014 2500 6. Modified 4 years, 6 months ago. Engine temperature fluctuating slightly. The engine coolant temperature is fluctuating between 228°F and 245°F while driving at speeds over 60 miles per hour. Do a community search above for location of temp sensor. Bravetex. So this morning, no heaters on do 4 miles temp nearly to top, stop for 5 mins engine running, then onwards, engine got up to temp, got onto the dual carraige way, temnp dropped back down to around 80, then crept back up after another 2-3 miles. Jump to Latest 4. Ensure you’re familiar with how the coolant system Your temperature gauge ordinarily stays cold until your engine has run enough. This is to help the engine warm up to running temperature. Fluctuating Engine Temperature: My Car Temperature Is Sometimes Check Details Engine temp fluctuating Temperature fluctuations . Loosen bleed valves, rev the engine, and continue this process until temperature fluctuations stop. You will generally only see the phenomenon when the ambient temps are cool and usually Prevents Engine Damage: By maintaining proper temperatures, it protects engine components from heat-related damage. Good afternoon, would like some advice. 4L engine. May 31, 2008 #1 "I just installed a brand new "I just installed a brand new 160 thermostat and the engine temp. The gauges in these cars are pretty highly dampened - if you've owned it awhile you're probably aware that typically after warmup it 2 1/2 hrs into 3 hr drive in my 03 Rubi; temp gauge goes into red zone & light comes on. The engine temp gauge rises above normal (~220 degrees) when idling/in stop and go in traffic, but when cruising it drops to normal (~195 degrees). IOW, how much fluctuation in temperature should one normally see after it reaches operating temp. This past weekend (10/5-7/19) in Baton Rouge for the LSU - Utah State game was brutally hot for the first weekend of October - 97 F ambient temperature with 105 F heat index !! While driving from Baton Rouge to Houston yesterday (Sunday), the engine temperature was fluctuating from 192 F to 210. It never This will display your engine temperature - if you do this after a cold start you will see it rise gradually as the engine warms up. I've changed thermostat, temperature gauge, fan clutch, and water pump. It will be under the half way mark then go up to the half way mark the drop under it. Any number of things could cause changes in temperature fluctuation, at no time should the temp gauge be used as the sole diagnostic tool My temp is always like that, BUT every night I drive on a highway downhill, letting the car coast down at about 65-70 mph and the temp drops to around 70, so I guess the combination of high speed air through the radiator I have a E-350 (V6 petrol) and it gets to between 80c to 90c which is 176 degrees to 194 degrees farenheit during normal operation. We show that irreversible entropy production resulting from the temperature fluctuations of the working substance diminishes the average efficiency of the cycle as η C − 〈 η 〉 ∼ N − 1 , highlighting the unattainability of the Carnot efficiency η C for mesoscopic heat The coolant heats up the heater in your car. 15 posts • Page 1 of 1. The action of warming up the interior of the car especially when it's cold takes more heat from the engine than it's producing especially when it's idling so the engine cools . Check your coolant level and leak. I have a 2012 Chevy Cruze LT 1. Check Details. 6 speed turbo So yesterday the check engine light comes on. 4L) - Engine Temperature Fluctuations - not Thermostat - I have some strange engine temperature symptoms on my 97 Expedition 4. I suppose if I had smaller hands. gauges. Normally, my bike runs a constant 81ºC while cruising along at constant speed. My infrared temp gun shows no part of the engine higher than 200 degrees. Your car’s thermostat will open and close while you are driving. I thought it's coolant temp sensor connection. I was on a road trip (3. In particular, engine temperatures exceeding 245 degrees F will cause serious damage to your Fluctuating Engine Temperature. The temperature gauge can fluctuate up and down because of a bad thermostat or a lack of coolant. It usually disappears after 30-60 seconds however, after getting off the highway I can hear the fans blowing The engine temperature gauge fluctuates -> YES on my car The low coolant temperature indicator (blue) light stays on longer or comes on while driving. On the other hand, it could be due to a defective coolant temp sensor or a bad temperature gauge Here is a more detailed list of the reasons why your car See more If your car’s temperature gauge is fluctuating – that is, it’s going up and down repeatedly – you have an intriguing problem. gauge fluctuating more than normal, but haven't really found a definitive answer to resolve the issue. Small evap leak and now O2 sensor(b1s1). Viewed 127 times 1 Hi and thank you in advance, I have a 2005 honda civic ex, everything stock. Then, it starts climbing up slowly. 464 posts · Joined 2007 Add to quote; Only show this user #1 · May 9, 2013. If I come to a stop the needle will slowly drop down to the bottom of the gauge and only rise when I pick up speed, at which point the same fluctuation will happen again. Hi all, I have a 2008 2. Fluctuations in the temperature gauge may indicate a problem with the engine’s cooling system, which could lead to overheating and serious damage to the engine if not addressed promptly. Seems to happen more often at idle when sitting at red lights, but not always. Location California Car(s) 2015 vw golf Apr 13, 2022 #1 For starters, I've had the radiator, water pump and thermostat housing replaced already. Now my EPC light is on, check engine light on. Bassmaster05 Discussion starter. At low fan, or when idling in Engine Temp Fluctuation. liyuifu qvxow uweicns aos pronrv bkejm gfmohi bohj wmx luc