Not a diesel, not a turbo. Sep 22, 2015 · The "hours after" throws me a bit, BUT the whine/cooling fan noise is probably the after engine shut down turbo cooling pump. Apr 7, 2022 · When I got to work yesterday, I noticed the fan running after I shut the engine off. Cleaned the grounds and it was fine for two days then the fans would start randomly after turning the engine off. I kept hoping the fan would shut off but to no avail. I called Kia service and they told me it's normal and it's just a fan running. Any ideas? Sep 6, 2013 · Hi All, I just bought a 2014 Tiguan, and I'm still getting used to my surroundings with it. The engine coolant temperature sensor failed and this caused the ECM to default into running the fans at full speed. Nov 28, 2008 · 98 rav4 2wd manual trans. After I re-inserted the ignition key and turned to position III the fan blower immediately shut down. Oct 30, 2012 · If the blower stays running immediately after you turn off the key, I think it's still the speed control module. May 7, 2007 · Hello, I just picked my cooper up this weekend and have noticed something. I noticed the engine temperature is reading about 240 degrees which is about 20 deg higher than the usual running temp. If the car isn't hot i. When I looked at my temperature gauge it was almost all the way at the top. The radiator fan may stay on after the car is turned off due to engine temperature regulation. Feb 10, 2023 · Did u ever sort your problem I have a glc 300 year 2020 my radiator fan comes on erratically what I have noticed is the dash cluster water temp reading can be normal you can get another cluster water temp reading by scrolling through the service menu which displays in the centre of the dash cluster same place as your mileage etc then if you go to your touch screen display go to I think engine Apr 12, 2023 · To avert overheating, it is critical to regularly replace the thermostat as part of your car’s maintenance regimen. (thermostat, radiator fins, coolant level, etc) Has your Ody been running hotter than normal? If that fan runs when the engine is cool, there is another May 30, 2019 · Could be the thermostat is stuck or the ECTS is not working. Got back in, turned the truck on/turned it off still the fan went on. Dec 15, 2011 · Odor is from the new paint/plastics, etc. If the fan runs longer than a few minutes, you may have low coolant levels, a coolant leak, a faulty cooling fan, a damaged radiator, or an overheated engine. The ECM is not reading any valid temperature. Dash temperature gauges aren't particularly accurate for more than, "Oh crap, it's overheating!" or "It's not warmed up yet" Customer: Hi, Mechanic's Assistant: Hi there. Keep in mind the car is already off. So, it might be a sign that something is wrong. The running engine temp is normal at 1 bar below half yet when the engine is off the fan stays on even after the engine temp is down to 1 bar on the temp gauge an hour later. First, you need to know the probable cause of why this can happen. Most new cars have a thermostatically controlled electric fan, so when you pull into your garage or whereever, it stays on long enough to cool down the coolant, and thus protect the motor IF you had run it hard, AND/OR had just shut immediately after extended stop-n-go driving, AND/OR, mostly caused if the outside Mar 23, 2022 · Afterwards, when I turned the engine off, the radiator fan were turning on at high speed. I opened the hood, checked the coolant it was good. Sometimes the engine will shut off after 5 seconds or so but mostly it just keeps running. In a scenario like this, will the fan continue to run after turning the Jeep off, safely bringing the engine temp down to a lower temperature? Dec 2, 2023 · I just had this issue with my Daughters 2016 Suburban. However, this phenomenon is not indicative of a malfunction but rather a deliberate feature designed to address specific operational needs. This happens when the engine has been running hotter than normal, and the fan continues to operate until the temperature sensor registers a cooler temperature. Aug 20, 2014 · I have, as you say, had other cars that have continued to cool after turning the engine off but that used to happen on hot days or after a fast run. Why Does My Radiator Fan Not Turn Off? The radiator fan might not turn off due to a faulty radiator control module, issues with the cooling fan, or the temperature sensor. What is the protocol that tells the fans that they need to stay on? Oct 25, 2008 · The cooling fan will continue to run based on how hard you drove the carthe temp of the oil and the overall temp of the engineif the turbo is hot it will continue to run the fan to cool the coolant as it is what is used to cool the turbo after you shut down the engine. Car was not running hot and fluids are in spec. When an engine shuts off it gets much much hotter than what it was while running. I know it is normal for a fan to run after the engine is off for further cool. Lousy engine control unit May 29, 2008 · I noticed my cooling fans didn't stop running after I shut off the car yesterday. When a thermostat fails it will either open too fast or stay partially closed, both failures are not Nov 22, 2018 · So I drove the Kona for like 20 minutes and when I park and switch off the car, the engine fan stays on. Nov 21, 2022 · Causes of Fan Noise after Engine Turned Off: Having your cooling fan running for more than 10 minutes after you turn off the engine is a common cause of these noises and indicates a potential problem. ive noticed it a few times, but it shuts down a moment or so after we exit the vehicle. getting heated for the first few times. . The engine computer uses one coolant temperature sensor to monitor engine temps and when they are high it will turn on that fan to run at all times and will also shut the A/C down. It does not matter if the engine has been running hard or not. Aug 6, 2022 · UPDATE: Although the problem with the fan seems to be fixed, since it turns off the way it should when I turn off the car, now the problem is that when I start the car it is a weak start, almost seems like battery is dead or close to dying when I first turn it on but then when I drive it around it’s completely normal, doesn’t shake or shudder or act like it wants to shut off at stop lights Jun 24, 2010 · Thanks. Obviously turbos run hot and the bearings in the units reside in a rather brutal environment and that becomes worse when the engine is turned off and bearings sit in oil that is cooking from the heat (term is called coking)…basically a turbo creates extremely high Jun 7, 2018 · The fan should never run after the engine is turned off. After driving for longer periods of time (anything about 15+ minutes) the fan stays on for a long time after the engine is shut down. Jul 4, 2014 · After shutting it off (temp gauge was showing low temps), the fans stayed on. Car was ok, i. I figured it would run for 1-2 minutes longer. Repaired it and it resolved the issue. Jun 9, 2015 · However, I am concerned about how warm it may get in future situations. The ignition was off and the engine wasn't running but the cooling fans kept running. Conclusion. So, if your radiator fan runs when engine is off, you have one or more wiring issues. You should start your investigation with a check of the coolant level. Mar 27, 2015 · If your cooling fan switch is in good condition, move on to the next step. I pull all the fan relays but they still stay on. The temp gage stayed on zero (160) after a 10 mile drive. I'm not sure if the fan is supposed to have power with the key off / engine off. Dec 10, 2021 · 2017 2. Have to say though never had this happen on my XJ under similar conditions. It turned off itself after a minute or two. 8 and the issue just now started. (20 deg above center position. Electric fan and apparently pretty quiet. It doesn't do it at times when I think it would like after some spirited driving. The dealership can replace under warranty. I am assuming it was the fan. 1. Jul 9, 2023 · Lower the vehicle and turn on the engine for a few minutes. This needs to be checked out by a car mechanic. This is normal behavior. Cooling fans will run all during driving and for a while after shutting off the car as a precaution. The fan run while the car is off, or start 30 mins later. Just turn off the fan limit switch by setting it to manual override, and the fan will stop running. I have excellent hearing but to be honest, I've never heard the engine fan even when running. If your Chevrolet Equinox cooling fan is running several minutes after you turn off the engine, you should check the ECU, the Radiator Fan Running when Engine is Off could be due to couple of reasons:1) Stuck Relay Coil2) Overheated Engine: this could be due to low coolant level or Oct 23, 2018 · The fans can run after the engine is off, but this usually happens only in hot weather. Is this normal? I read online that in some cars the fan remains on to cool the engine. This runs for around 5 minutes then shuts off. Also try with the AC on. Is it the ECU or the relay ? 95% of the time its the relay gets stuck. Additionally, if the ignition is off and the fan is running, and I pull the relay the fan dies. It's never done this before, up until the last couple of weeks. The radiator fan kicks on and won't turn off. Just started happening, the engine continues to run when the key is turned off. It didn't make any sense that it would do that. They stop when I start the engine. Hot day. Ever since the fan is not going off. However, its extended or constant operation may signal an underlying issue. 2015 Audi Q5 3. Both times with the Focus it has been just after a normal journey and a not very hot day. Tonight the car fan did not stay on so in that sense tomorrow my car will turn on. Threw code P111E. 5 passat glx 4motion about 8 years ago that also would run the fan for a moment or two after we turned off the car. It eventually shuts off, but turns on immediately super loudly and stays on Mechanic's Assistant: What's the approximate mileage on your 2017 Lacrosse? Oct 9, 2022 · It could also be a fault in the fan relay that prevents the fan from getting the turn-off signal. Mar 22, 2014 · 2011 Santa Fe with a problem with the fan. They also ran for about 10 minutes after the engine was turned off. Cooling fans are able to stay on until the set parameters as it pertains to coolant temp are reached, it's a built in protection mechanism so that you don't have hot cooling just sitting in the system on a hot day or if it was running hot and hard. clever german engineering. I will likely hit some stop and go on a hot day, while running 35's and towing a small (maybe 2,000 lb) trailer. e. Has had some intermittent issues with the tan running super high and overcooling as well as running for about 5 mins or so after the truck is off. The dealers would turn on the afterblow feature--- that is- when turned off- the fan (for the cabin) would continue to run to dry out the AC ducts and related tubing- to help with this smell. What could be wrong with it? I haven't turned it back on. Or once I start driving again, it will drop down to middle again. Disconnect batteries; 2. Certainly a possibility with the ignition switch in the ON position or engine running, but if the engine blower fan runs with the car "OFF", then it points to the temp switch or the controller. Aug 23, 2018 · Audi A5 / S5 / RS5 (B9) - Fan running after engine shut off - So I noticed that the cooling fan ran for a few minutes after I turned the car off today. If the fan has to stay on, for how long would Mar 15, 2017 · After the engine is shut off, the electric cooling fan may continue to run after the engine is shut off in two different scenarios. Jul 26, 2015 · There is two ECT safety triggers for either a low or high speed coolant fan commanded on depending on what the coolant temp is when engine is turned off If above 217 degrees and fan run on time is triggered by the PCM the fan can be on as long as 1080 seconds (18 mins) The PCM monitors certain parameters (such as engine coolant temperature, vehicle speed, A/C ON/OFF status, A/C pressure) to determine engine cooling fan needs. Apr 16, 2012 · Its possible that previous owner complained of musty smell from the AC. The mini copper fans should speed up the process of cooling by driving fresh air into the radiator. Twice now, when we have turned off the car the fan has continued to run after the engine is off. In addition, when driving, and idling at a red light, the temperature gauge will shoot up and redline, but with the fan kicking in on high, it will eventually drop back down. Possible causes for the fan’s noise after switching the engine off include the following: Low Coolant, Faulty Coolant Temperature Sensor, After repairs the fan didn't run when the engine shut off. Aug 27, 2012 · A coolant temperature between these temperatures will cause the cooling fans to be operated at a speed which is proportional to the engine coolant temperature. Jul 22, 2021 · The fans normally run only when the ignition is on. I have to shut it off and restart again but give it some gas before it'll start. Tip: Use an OBD-II scanner tool to check if any Diagnostic Trouble Code (DTC) is showing up. Mar 23, 2021 · Once, turning the engine off regardless of how hot it is, the fan will run for an additional 10-15mins. The odor will subside over time. Apr 2, 2018 · I know this thread is a year old, but I thought it was normal for radiator / AC fan to run (occasionally) after car turned off. May 5, 2023 · 6 Common Reasons Your Chevy Trax Fan Keeps On Running. This happens sporadically, not every time I shut it down. When the engine coolant temperature reaches 108 degrees Celsius (due to heat soak), the cooling fan will activate until the coolant temperature drops below 105 degrees Celsius. I found this thread when searching for "radiator fan Aug 18, 2004 · Yes that is correct. Here are some reasons for why this happens: Fan keeps running on a petrol Audi. If it cracks, it leaks the coolant into the environment, which increases the level of work the fan would have to perform after you turn off the engine. I have a 2017 Buick Lacrosse and this happened. Sep 11, 2013 · By keeping the fan running after turn off, the hot water in the radiator is given a bit more encouragement to cool down, thereby reducing the chances of hot engine pressure damage. What I've narrowed it down to is the contacts on the AUX FAN relay. Jul 13, 2002 · Fan still runs after turning engine off Hi - I realize this is an old thread, but I hope someone can shed a little light onto my problem. Was about to disconnect the battery when the fan decided to turn off after about 10 min. THat is, until this week. To stop the fan from running, try turning off your car’s ignition for a few seconds before restarting it again. I then drove home in the rain (30 minute drive) and the fans are still on after car is shut off. Apr 12, 2021 · Hi! New to this forum. The "fix" was to turn the engine back on then off again. 0 TDI ("Progressiv" + S-Line, Scuba Blue ) - Jun 3, 2012 · I just bought a '06 750. However I have noticed that after the engine has been turned off, vehicle locked, the fan is still running for a period of time. Jun 19, 2020 · When when you switch the engine off, the engine actually gets hotter due to the fact that there is no coolant circulation and there is no quick heat dissipation under the bonnet. May 23, 2021 · The fan runs to dissipate the heat. But, when it runs uncontrollably, it can lead to wear in the fan component and battery drain. did my research saw the fix was the thermostat and that sensor next to it. I know it's normal to have the fan keeps on running if the engine is hot, but I'm talking about driving in 25-30F of Minnesota winter, my garage is not heated, usually stays about 45-50F. May 7, 2024 · If your vehicle experiences unusual fan noise after turning the engine off, you might find our articles on ‘Whirring Noise After Engine Off: Causes & Solutions’ and ‘Beeping Sound When Ignition Turned Off- 9 Reasons With Fixes’ beneficial, encompassing all the necessary information. Add coolant Feb 22, 2006 · Now with your problem: Fan continuosly stays on after engine shuts off. While your fan is still running, disconnect the connector that has the yellow and yellow/white wires from the relay. Maybe you mean your fans never turn off. The fan stays on after the vehicle is turned off. Fan noise is normal for even our laptops, but it shouldn’t continue after you’ve shut down the system. Runs fine after getting started. The issue ultimately was the engine temperature sensor. If i had a pound for everytime someone told me my engine was still running after walking away from it i would be a millonaire now! Jun 30, 2010 · However, in the past couple of weeks, the fan kicks in almost every time after turning off the engine. Oct 22, 2013 · Our Chevy Cruze is a 2014 with the 1. The engine fan does run to cool the engine off after I have turned off the car - this is typical on a hot day. I have never heard it running before today. No warning lights except oil change reminder, and it Mar 2, 2024 · Totally normal and actually a feature of the vehicle to dry out the AC condenser coils and ducting of any condensation so that the next time you get in the car and start the air you don't get a blast of musty moldy smelling air in your face. Sep 17, 2020 · 2015 SEL 2. My fan was turning on with 40 degree weather. $30 fix Apr 7, 2022 · Sounds like the thermostat went bad. May 7, 2007 · Generally it is because the AC was just on and the engine fan stays on for 1-2 minutes after the AC is turned off even if that means for 1-2 minutes after the car turns off just to keep the evaporator core and radiator from overheating. You can watch the video below to gain additional insight into this procedure: Dec 12, 2023 · For VW Tiguan owners, witnessing the radiator fan persistently running after turning off the engine can be a cause for concern. The only way to shut it off is to start the engine and then turn it off. The manual addresses this, saying, “The electrical fan in the engine compartment could turn on for a few minutes after the ignition is switched from ON to OFF, whether or not the A/C is on or off, to cool the engine compartment quickly. Changed coolant temperature sensor to clear code. Turned off the car my 1 fan to cool the car stayed on so i figured it was normal. there will be hot water in the engine block and top of radiator, (and consequently the fan temp sensor, even before Sep 2, 2010 · Just took delivery of 2011 XC-90 yesterday. Like today I drove home like normal and didn't sit in any traffic or ever drive it hard at all and the fan stayed on when I shut it off. Is this normal for a new car? After my last drive it was on for a minute or two after I had the engine off. When I try to restart with the fans still running, the car will turn over but not start. May 4, 2023 · When you shut off the engine, the electric fan will keep running until the engine is cool, so you will hear the fan noise seconds after turning off the car. Sep 4, 2023 · Replacing the thermostat can be another solution to the problem of Chevy Silverado fans running. 3 LTZ with 93k miles on it. What happens when the fan doesn’t stop running even after you’ve switched off the engine? There are a few common reasons, such as the need to cool down the engine further or expel excess heat. I rode it yesterday for about 20 minutes and when I parked it could hear the radiator fan was on. After 5 min, the fan shut off. My engine cooling fans continued to run to cool the engine after the key was removed. When the engine is running with the CHT above 100°C (212°F), if the ignition switch is turned to the OFF position the cooling fans will continue to operate for a time which is Jun 4, 2011 · Lately the motor fan on my 2005 V-8 continues to run after engine shut-off. A faulty thermostat can cause the engine to overheat, which in turn can cause the fans to keep running. problem didn't return. It’s understandable to ask this question because it’s safe to assume that when you turn an engine off, it does just that. If only 1 fan comes on and runs like it is ready to take off, it means the other fan is dead and needs to be replaced. Feb 19, 2024 · What causes an Audi cooling fan to keep running? In most situations, an Audi cooling fan that keeps running when the car is off is normal. Nov 28, 2015 · New Issue. But the thing is that I did not drive it for that long. Nothing changed. 8 liter engine. -No Trouble Codes-The coolant reservoir level is much higher than usual, almost to the top. May 26, 2013 · A lot of "modern" cars have the facilty for fans to continue running for a short period after engine turned off, particularly if ambient temperatures high. There are no obvious signs of overheating and the temp needle and coolant level is normal. I left it with the fan running once and went a few minutes later and it was still running. Jan 2, 2024 · Car fans staying on after the engine is turned off may be caused by several reasons, such as low coolant level, malfunctioning cooling system, still-on A/C system, electrical issues, or computer control. Cooling fans stay on after the engine is off, the fan turns off in about 2-4 minutes. I've noticed that even if I've done a 15 Mile Trip or 2 Mile Trip, the Fan runs between 5 and 10 Minutes after i turn off the Engine. For variable speed electric fan(s): The PCM controls the fan speed and operation using a duty cycle output on the fan control variable (FCV) circuit. This is done by usually injecting some extra diesel into the DPF and a controlled burn happens which cleans out the DPF. The relay works fine when tested and the fan comes on when triggered. The system is operating as designed. When I was having cold start problems with engine light alert, the fan would come on at the end of every ride. Aug 14, 2013 · i think the fan runs after the engine is off if the turbo or other engine items are hot. Jan 8, 2022 · Outside temp around 60, coming home from work about a 15 min drive I noticed the fan was still running. Also, the fan will do this even after short 5-10 minute trips. Jul 30, 2023 · Another reason your fan is running for long after you turn off the engine is due to a faulty or cracked radiator. Today weathers was between 31f - 50f so pretty cool outside. When mine did this it was the thermostat malfunctioning. May 14, 2023 · I have A 2013 Chevrolet Traverse. In order for the fans to run at low speed, only the A/C condensor fan relay has to be Jul 31, 2018 · Mini Cooper fans are meant to boost the circulation of air around the radiator to ensure the engine cooling system is well cooled. The fan ran for about 1-2 minutes. Contact a certified electrician to diagnose your vehicle if the cooling fan comes on with the ignition. I have never heard the inside cabin blower go on. Then yesterday the same thing happened and I disconnected the Jun 8, 2022 · After 3 seconds of running a cold engine with a misfire the "calculated catalyst temp" was 1300F and the fans ran for 2. In other words, the fan running when the engine is off is completely normal, right up until the point where it is no longer normal If your fan runs on for a few minutes and then shuts itself off in a reasonable amount of time, no worries. No other issues. What I have seen Ken is a lot of thermostat issues on these Chevrolets, if the engine computer thinks (from inputs of various sensors) that the engine is running warm it will command the engine cooling fans on for an extended period of time. If it isn't turning off within 60-120 seconds then I would worry. I wouldn't worry about it unless it runs for hours. I've checked the radiator grill for dead badgers & stuff, to no avail. If you look right above the fuse box, you can see the module, which is about the size of a deck of playing cards. Sep 12, 2009 · The fan speed changes a little crazy too much and it actually seems more dependent on not speed necessarily, but engine power; the fan speed decreases significantly when revving up and once I take my foot off the pedal, it resumes proper speed. fwiw, we had a b5. In neither of these were we idling for a long period of time prior to turning off the car such that the engine would have been hotter than usual. Apr 28, 2023 · In certain cases, it is normal for a car’s radiator fan to run briefly after the engine is turned off. I started the engine and the fan kept running. Replacing a car fan generally costs around $550 to $650. A car cooling fan, either mechanically engine-driven or electric, has some sort of controller that determines the engine is at a sufficient temperature to warrant turning on the fan and cooling the coolant in the radiator. Open the door the radiator fan turns on and stays on. To solve the starting problem I added ethanol-free gasoline; it solved that problem, and the fan no longer came on. This happens usually when: A DPF regeneration was in progress and got interrupted. In my experience, the fans rarely run at all except on hot days or after drag racing passes. Mar 15, 2023 · The fan can run when the ignition is off if the engine coolant is still too hot. Feb 9, 2016 · During the last three weeks, my CX-5 twice had the cooling fan running after I turned off the engine. The fans were loud enough I mistakenly took it as my engine still running. Nov 26, 2023 · The fan making noise after the engine is turned off is a common occurrence and is typically part of the vehicle’s cool-down process. Sep 7, 2021 · Why your engine fan may be running after the engine’s turned off This could be due to several potential causes, such as a bad cooling fan relay, leaking coolant, faulty powertrain control module (PCM) or Electronic Control Unit (ECU), low coolant levels, cracked radiator or radiator hoses, faulty electrical wiring, leaking thermostat unit Jul 28, 2024 · These are some of the possible reasons why your engine fan might be running for a longer time than usual. If I close the car with the beeper or open or close any door the fan start running even with the car is cold. I have to unplug the batery to avoid get dead. I turned the car on the the acc position to see if any electronics would reset, and turned it off about 30 seconds later. Keep this crucial component in good condition for worry-free Jan 15, 2023 · Yes, your car’s engine cooling fan could still run for a few minutes after you’ve turned off your car’s engine. 1k rpm. The fan stopped when I turned the car off. Turn off the engine, and check if the issue persists. Here’s what you might experience: The fan continues running even after the vehicle has been turned off. Then after starting back up the temp was around 160 still. Jul 5, 2017 · If your fan shut itself off after a few minute, it is functioning as designed. Jan 5, 2012 · Recently I have noticed the engine fan (mounted at front of the car) continues to run for several minutes after I shut the car off. Sep 29, 2022 · When I checked out the noise I discovered the radiator fan was running. Apr 9, 2018 · Maybe so about the fan, but I have been driving Honda/Acura since 96 and I have never had one that a fan has turned on after the engine has turned off until my radiator blew. -The engine coolant gauge is working since it rises slowly and reaches mid-level (normal temperature) once the engine is warm. Use a code reader for the diagnosis. Made a short trip today and returned the car to my garage but noted fan motor/blower continued to run even 60 minutues after engine shutdown. Re the fan coming on after a short distance. 0L Turbo 117,000 miles This has happen twice, the first time the radiator fan continued to run at high speed after the engine was turned off and ran the battery down, had to jump off. Allow a few minutes after you shut off the engine. I have a 2011 Clubman where the fans keep running after I turn the car off. 0 TDi 185bhp Black Edition, ita only done 39k. Apr 8, 2016 · My fan continues to run for a good 5 minutes after I shit my car off sometimes. Every vehicle I have owned since my 1992 Honda Accord have behaved in the same way, it is normal operation. I always thought the CEL was related only to the emissions of the car, not anything else. However, it is generally a relatively inexpensive solution. You will need to use a scan tool to see what temperature the sensor is reading. The computer can see coolant temps that were near the top end when the engine was shut off and this resulted in the computer telling the fan to keep Aug 9, 2021 · Audi A3 / S3 / RS 3 - Fan Runs After Turning Off Engine - Hey All, I'm new to the forum. I can't speak for gasoline (petrol) powered Q5s. Jan 24, 2018 · A4 (B9 Platform) Discussion - Cooling fan running after car turned off - For the first time since I bought my A4 in November 2016, the cooling fan ran on high speed for about 5 minutes after I turned off the car today. Oct 25, 2021 · After a drive, I turn the engine off get out and lock the truck. Now without a battery disconnect like last time, with a totally cold engine, if I start it up, the fans are going into high speed mode, despite the engine being totally cold. So, to protect the turbos, they used to over run the fans after the engine was switched off. In the past few days the engine fan continues to run after only short trips(3 miles). Eventually draining the battery, no faults/alarm Jul 10, 2013 · The fan running after the ignition is off is just a reaction to the higher temperature of the engine, it is normal for the fan to run after the ignition is off if the engine temperature is too high. If the fans are running on “high” speed after the engine is turned off … it could be the same issue. Step 3 – Is the fan timer module working? The fan timer module is located in the driver's side foot well of your car (just below the steering column). It Sep 12, 2008 · Our previous MCS used to occasionally run the fan hard after the ignition was turned off. The fan keep running after switching off is a safety measure when the ECM cannot read the temperature it will keep the fan blowing for 10 to 15 mins after you switch off to make sure the car is not in a situation where it can cause a fire (as the ECM cannot determine if the engine is ice Feb 3, 2023 · A car fan is designed to run for a few minutes after the engine is turned off. 5 Chevy Colorado was doing the samething I replaced the thermostat is still doing the samething fan stays on when engine is off ans runs full blast when truck is running and temp gauge stays at 160 . you run it for a minute and then turn it off and the fan runs on for a while then something is wrong. I turned it back on and the temperature gauge was on cold, although the car had been driven for an hour. Anyone else hae Feb 5, 2018 · The Mazda CX-5 – like many modern automobiles – continues to cool the engine after it shuts off. no check engine light I disconnected the positive for 30 seconds problem came back could it be the temp sensor? Nov 20, 2012 · Just to make sure everything is ok, run the car until it is warm and open the hood and watch (with engine running)the fans. So, you need to take care of this issue. The cost of replacing the thermostat can vary. Mar 29, 2023 · Why Fans Continue to Run After Car Is Turned Off. I think you need to investigate further. Why Is My Radiator Fan Running All The Time? The radiator fan may run all the time due to issues with the thermostat or a malfunctioning fan relay. Sep 25, 2022 · But if the engine is off, the A/C won't turn on at baseline, which would result in warm air. Why Won’t the Fan Turn Off? If you allow the fan to run long after the engine is turned off, your battery will be drained of its juices. Without a properly functioning thermostat, the engine temperature can rise dangerously and cause the fan to remain running after you have turned off your vehicle. 0 tunes that cause this after searching here for this issue but I didn't tune this 3. I just went on a trip that was 2 hours each way and when I got back this happened. Dec 19, 2019 · In 23 months of four season ownership, I've never heard a fan running after I've turned the car off. Oct 7, 2016 · Yeah, the fan noise is normal after shutting the engine off, either from a normally hot engine or from a recent DPF regen. Why does your Mini Cooper Fan stay on when I turn off the engine? Jan 17, 2018 · Is your ECT reading super higher? Could be a bad ECT sensor or something causing the fan relay to turn on. It is cooling off the engine The beauty of having electric fans. If there is an internal wiring issue in the cooling fan motor, it may cause the fan to run continuously even when the engine is off. I make sure to keep an eye on the temp gauge, and it never gets abnormally hot. Jul 28, 2020 · It turns out my engine wasn't actually running when I removed the Keys. Never more than 10 minutes. Whereas, when coolant temp is only 45degC extra fan running after engine off isn’t normal. Early this morning with the car parked all night, the fans started again and the brake lights were back on. Jul 10, 2011 · It’s a function of the fan being controlled by a thermostat. I allready change the cooland temp sensor, and i still have the problem. How can I help? Customer: Its a 2017 LaCrosse. On our 1991 Civic and 2003 Accord and Pilot, the fan often run after car is turned off if car (and usually weather) was hot. Last night it happened after a 2 mile drive. So, check coolant level etc. Is this normal? Mar 30, 2010 · The fan may be coming on because the engine is overheating. So it is not normal for the fan to keep running after the car is shut OFF. I do know that on my SHO sometimes the tuning would cause the PCM to glitch out and cause the fan to run all the time, even after a cold start in the winter Jan 17, 2018 · Note that it is normal for your car to run the fans after you turn it off. Feb 24, 2017 · I got a Mercedes Benz C 300 Sport 2011. Maybe your Ody needs some cooling system attention. Then today, same thing except she didn't notice it until she came back out to car and the battery was totally Dec 1, 2022 · Bought my Sorento EX new 2 months ago, car has about 4,000 miles on it and have noticed on 4 non-consecutive occasions when I turn the engine off and exit the vehicle the radiator fans are still running. After turning the car off I noticed a super loud sound coming from the engine. Jul 6, 2015 · Every week or two, after a short (10 minute) journey, the engine cooling fan runs after I switch off. I believe it had been running on high speed for some Dec 3, 2023 · If the fans are running at a low speed and turn off themselves after a couple of minutes, that is normal behavior. Neither a low coolant level nor thermostat problem should cause the fans to run with the ignition off. If however your fan stays running for a period of hours and drains your battery, not Jan 16, 2021 · 2017 Trax fan motor was running after turning car off. It’s a fairly common issue. The fan shuts off automatically after about 5 minutes. The issue is that it ran for maybe 10 minutes after I turned the car off. Got back in, put it in drive and went forward about 5ft then back 5ft turned it off and finally the fan stayed off. This hasn't happened before. Mar 11, 2021 · Air is forced into the engine compartment through the vents at the front while you drive to stop things getting too hot. 5 mins after shutting off the ignition. Jul 18, 2016 · On a similar note,years ago i had a Fiat X1/9 (picture of a similar one below but not actually mine),they have a very noisy cooling fan just for the carbs that kicks in even with the engine switched off when very hot. I let it sit another hour, turned it on and turned it right off and the fans stayed on again. But normally only happens in the summer for most people In my Caprice it has 2 fans and will run 1 fan below a certain temp and both fans if above a certain temp. The car’s radiator fan is there as a back-up. I've just bought a used 2017 Audi A3 2. How to test this it's simple. Oct 30, 2020 · It's fairly common for the fan to continue to run after the engine is turned off so it continues to draw air through the radiator and over the engine. This never happened on my BMWs, but searching on google looks like it is normal on Audis? Surprisingly it wasn't even hot today. Perfectly normal. Engine temp rises (not seen on the temp gauge), and if the engine is idling, idle speed will bump up to c. Started it back up and shut it off a couple of times and it stayed off. Nov 7, 2011 · have you checked your coolant level? my fans started running for a few minutes after i shut the engine off, and when i looked under the hood i noticed the overflow bottle was empty. It stays on for around 5 minutes or more, then switches off. Felt the hoses they were luke warm at best. Yesterday the fan started to run again when the engine turned off. Unlike some vehicles in the past, they are not designed to operate after the ignition is turned off. If your car is running the fan for 30 seconds after a gentle drive in UK December then it sounds like something may be wrong. Believe it's the radiator fan. A good experiment is to try to get the blower to stay on, then leave the ignition alone and see if it quits after 10-20 minutes. The most common causes for your Chevy Trax fan to continue running even when you’ve turned off the engine are related to faults found in the fan relay, the temperature sensors, the ECU unit, the high-pressure switch, the coolant liquid, or the thermostat. Aug 13, 2023 · Oftentimes, your Range Rover fan will keep running due to cooling the engine, however, if the Range Rover fan keeps running and won’t shut off after 15 minutes – it is a problem you need to fix. Check out this Chevy Chevrolet compatible thermostat assembly on Amazon. The radiator circulates the coolant through the engine house. Oct 1, 2021 · During the last couple of months our 2011 Enclave has been running the cooling fans after the engine is stopped. Jun 13, 2020 · If the car is hot the fan will run for 5 minutes after you turn it off to cool it down. It did it once in a while not every time. I found if I drive the car in electric only mode it won't run the fan. Oct 3, 2015 · I know of 2. The cooling fans, radio, heater fan, etc. Yes it is designed to it but if the fan does turn on after the engine is turned off, you better find out why. Had this on my old Elite Omega, sometimes fans would run for about 30 secs when engine turned off. I have an 06MCS, and the fan has NEVER come on after I've turned off the ignition. I turned it off and took the key out and it continued to run. The regen has finished very recently and the fans are running just to lower the engine bay temperature to prevent excessive heat soak. I discovered it each day these past 2 days after I had been home for over an hour. after a little more diagnosis, i discovered my radiator had a pinhole leak, and the low coolant level was what was causing the fans to run. Mar 6, 2023 · The radiator cooling fan on my 2016 GMC Yukon Denali, 117,000, runs on high after start and continues to run for a couple minutes after engine is shut off. ” Oct 12, 2020 · A Regen or Regeneration process - is the process whereby the car burns off the excess carbon build up in the DPF (Diesel Particulate Filter). Didn't clear code or stop the fan from running so I changed the relay in the fuse box. With the potential causes and respective fixes, you can prevent possible damage to your engine. That was over a year ago. If I run the engine for a few seconds the ECM is seeing this temp and trying to cool off the catalytic converter. The coolant temperature seems to run normally at the middle of the temperature gauge. Mar 7, 2019 · Radiator Fan keeps running after engine is switched off. Apr 29, 2017 · Hey guys came home today. I went to the garage 15 minutes later and it was still runing. Feb 23, 2013 · My 2013 TDI SE has 5500 miles. Started it again to check the temp, it was at 160 degrees, just like it hadn't been running for the 30 miles I drove it to work. Is this normal? Any thoughts, experiences are greatly appreciated! Aug 28, 2010 · And yes that fan comes on whenever it is triggered by temperature, regardless of whether the A/C is on. I then restart the car and then it switches off. Aug 7, 2024 · If you’ve turned off your car’s air conditioner and the fan continues to run, this is likely because the engine is still hot after having been in use. What to do if your engine fan is not running off after a while. There probably would be nothing wrong with letting the engine cool “by itself” (which is what happens if the design removes power from the fan when the ignition is off), but since the normal operation of most cars is to run the fan when the water temperature exceeds a set threshold, it does so even with the engine off. Both should come on. First time it happened, wife shut off car and fan was still on. If your Audi has a petrol engine, the fan can stay on after the engine is turned off to cool the turbo and prevent oil coking. In this article, we’ll explore 13 potential causes and solutions for why your car fan still running after engine off. No idea where to start please help! 2008 9c1 Chevy Impala Mar 8, 2011 · Really skeptic because the battery I had before was perfect even with this fan problem, but after a whole 2-3 weeks my battery started to be dead in the mornings after the nights that the fan stays on after the car has been shut off. While it might seem harmless, a fan that won’t turn off can have some serious consequences. Jun 9, 2023 · I have the 2014 Silverado 1500 5. shut off but the engine keeps running. And even when I pulled the fuse they kept running. It is designed to pull air into the engine when it determines there needs to be more cooling. But what happens if the car fan is running after the engine’s turned off? Mar 16, 2022 · Sadly the problem started again with the exact same symptoms. Mar 27, 2021 · I turned off the ignition and got out of the car and it sounded like the engine was still running so I got back into my car to make sure I turned off the car and it was off. I'm worried that the radiator might be acting up again, but so far there doesn't appear to be any heating issues. This time I let the fans run after turning it off, and they ran for about 5 minutes, then shut off. Driver Jun 22, 2023 · Whether it’s a loud whirring noise or just a subtle humming, an engine fan that continues to run after shutting off the ignition can indicate several issues in your car’s cooling system. The computer can command the fan to continue running after the engine is shut off to help lower the temps more. It was the first time this has happened. Apr 10, 2018 · When I turn my car off, the fan stays on for a few minutes before turning off. I've done a ton of hot weather, long distance driving and this didn't happen. vgipgpq sqw epzygxf xuf qbhgpw omfnug mtofu okmia uxbfn shp
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