Check the integrity of the wires . The cooling unit seems to have 3 relays in it, feeding the fan motor via a resistor pack, presumably to give 3 different speeds. Cooling fans stay on at all times. 2002 acura rsx auto (overheating)radiator cracked while driving replaced with a new one and switched everything from old to new radiator components but took off the a/c condenser and now, car starts good idle for about 10min and starts overheat fans dont come on, i checked fans motors itself work and fan plugs receiving voltage also checked fuses, wiring harness, havent checked the relays, … the ECT sensor and the ambient air temperature sensor.If the engine coolant temperature (ECT) sensor—located just below the distributor—begins to fail, it's likely that your fan will stay on for an extended period of time after the car's engine is shut off. IF you shut off your Honda Acura and the cooling fan keeps running? My cooling fans keep running at least 10 min. When finished flushing the cooling system, fill the coolant back up within the radiator reservoir to prevent destruction of your radiator when you turn the ignition to run the car. The cooling fan … Initially I thought this might be due to the extraordinary heat, but we've had a few cool days and I've continued to observe the behavior, even after short drives on which the engine is barely reaching its normal operating temperature. Advantages and disadvantages. I am getting great mileage and love the car, but this fan running is a downer. Your email address will not be published. When you click links on our site we may earn an affiliate commission. Over time, the clutch assembly will begin to wear and require servicing. What kind of refrigerant does a car ac need? YourAmazingCar is a participant in the Amazon Services LLC Associates Program an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. With such a problem, the fan may not work continuously, but for a fairly long period or it will often turn on and off.eval(ez_write_tag([[250,250],'carphrases_com-large-mobile-banner-1','ezslot_6',110,'0','0'])); When the engine cooling fan runs constantly, it is worth looking for a malfunction by doing a few simple diagnostic steps. In most other cars, fan won't run until there is a faulty relay or some electrical failure. My honda 2004 accord fan keeps running after the car is turned off. So, if you are asking yourself, “Why does my car fan keep running?”, than read on to learn a bit more about this particular automotive problem and what you could probably do about it. What happens if you put too much brake fluid in the car? Submitted: 11 years ago. Here are some possibilities causing the fan to stay running longer. Share this conversation. Like any Euro, it's got a few quirks but overall it's been an honest, fun to drive sports wagon. Step 1 Open the hood and locate the fuse relay box on the driver's fenderwell. Turns out the A/C condenser has a crack and is leaking Freon. Usually that will only show a problem after the car has run the fans for the max cooling time … This site uses Akismet to reduce spam. For most cars, the fan power supply consists of “plus” from the relay and “minus” from the ECU in terms of temperature from the coolant temperature sensor. Never fun the vehicle when doing this, however. If you are unsure how to read the code, ask a qualified professional for help. I have heard about Fiat Palio's radiator fan which would run independent of ignition being on or off. Ask Your Own Honda Question. fan keeps running. There are temperature sensors and some cars have separate sensors for the gauge itself. Your mechanic will look for one these common cooling fan faults: Blown fuse. In this case, the fan often runs constantly when the AC is on.eval(ez_write_tag([[300,250],'carphrases_com-leader-1','ezslot_7',108,'0','0'])); If it fails and the refrigerant leaks, the system “sees” that the radiator is overheating and tries to cool it down with the fan that is always on. Whenever something electrical doesn’t work, the first thing to check is the fuse. Where an additional volvo cooling fan is driven by the engine, this also tracks engine speed similarly.. Engine-driven fans are often regulated by a viscous-drive clutch from the … Check if power comes from the relay to the fan using a multimeter (the PIN can be found in the diagram). Diagnosing volvo cooling fan issues. This can cause an engine to crack or blow. I bought the diesel for its super 30+ MPG in city driving. Fuse. If the clutch assembly isn’t working properly, or begins to fail itself, it can cause the fan to stop working. Until such time as you can either complete your checks of the circuits or take the car to a service facility, pull the fuse in the fuse relay box on the driver's side fenderwell. Electrical fans are more common on front wheel drive (FWD) vehicles due to their conservative energy use. This is the first thing to check. There are cases where it “sticks”, then you need to change it. Customer Question. Your temperature needle will indicate overheating when this needle runs “high” or “hot” or when the digital dash gives a warning. Hope this reaches you in time. This should not be so since this indicates either a clogged (dirty) radiator, or problems with the freon pressure sensor (freon leak). Ive seen cars do that-- usually hondas that I notice with fans running with vehicle off- no on inside. What to do if the cooling fan is constantly running. These helpful tips may even save you from expensive repairs later on down the road if this problem persists or is left unchecked. Once you hook up the machine, it will give you the steps to retrieving the error message and interpreting the data. If your coolant level is low there is a chance that you will get air in the system … Insufficient Coolant. If the needle is still in the middle or if it’s a digital dash and it says the temperature is normal, then your car may or may not have been overheating. low coolant level, faulty coolant temperature sensor, PCM or ECU defective; coolant leaks from the water pump, cracked radiator, worn upper or lower radiator hoses, leaky heater core, leaky thermostat housing, rusted coolant bypass pipe, bad radiator fan relay, short in the electrical wires and so on. Have you noticed that your radiator fans just run all the time and never shut off? If the needle is still in the middle or if it’s a digital dash and it says the temperature is normal, then your car may or may not have been overheating. Often, overheating can be fixed by adding coolant (if the coolant is low) or by changing the oil. Accordingly, the diagnosis must begin with checking the relay, wiring, and the presence of errors in the ECU memory. Often, the fan constantly runs if its negative wire is frayed. Many mechanics are not family with the circuitry involved in the various fan configurations and relays for the fans in a particular motor vehicle so they may have resorted to wiring the fan directly to the battery. To find out that this is indeed the fault, you should notice that the engine will have a difficult start when it’s not heated enough. In case of damage to the insulation of the wires of the second coolant temperature sensor, the fan runs constantly when the engine is running. The fans are there to keep the radiator cool as the combustion engine gets hotter from the burning gasoline running through it. Although the Temp gauge is showing what is apparently the perfect reading for the car (just below half way) Replacing blown fuses or attending to electrical … One possible solution noted from other drivers that have had this similar issue in the past is that their radiator just needed to be flushed. There is absolutely no more driving it after that without an expensive repair job or whole new car. Though Ive never seen my fan continue running after shut off- here in So cal on a a hot day. Many cars, however, have a separate fan for this. Did you buy the car used? Breakdowns can be associated with a low level of coolant, its leakage, a bad or failing thermostat, pump failure, depressurization of the radiator cap, or expansion tank. For some drivers, when the air conditioning is turned on, the cooling fan runs constantly. If you take it to a mechanic, or if you have the equipment, you can have the vehicle hooked up to a special computer that will provide a code and diagnosis for any errors within the electrical and computer system of the vehicle. As the radiator fan is electrical, the problem could be with the fuse. Problems and symptoms of a bad or failing fuel pump and how to test it, Timing belt vs timing chain. If the cooling fans are staying on at all times, this is another (less common) symptom of a possible problem with the cooling fan relay. Airflow speed through a radiator is a major influence on the heat it loses. After running your engine, the water in the radiator is hot and needs to be cooled down. A car lacking oil is not good. Check the car’s temperature gauge to get an analysis. If it doesn’t solve the problem, then you probably have other issues at hand. All vehicles nowadays have a socket for you to plug this computer diagnostic machine in to check what sensor errors or other codes there are affecting your car’s performance. Best 8 Inch Subwoofers (Review & Buying Guide), Best Car Amplifiers For Bass (Review & Guide), Reset an Airbag Light With OBD2 SRS Scanner Tool, Best Winter Wiper Blades (Review & Guide), Best LED Fog Lights (Full Reviews & Guide), Meguiar's G55032SP Complete Car Care Kit Includes 12 Premium Products, Wireless Car Charger Mount, Auto-Clamp Qi Car Mount, Bluetooth FM Transmitter for Car, QC3.0 Wireless Bluetooth FM Radio Adapter Music Player Car Kit, Car Backseat Organizer with Touch Screen Tablet Holder + 9 Storage Pockets Kick Mats Car Seat, Car Vacuum Cleaner high Power - 110W 12v Corded auto Portable Vacuum Cleaner for Car Interior Cleaning. If a radiator gets too hot, it can crack, which is very bad news for your car, so it is a good idea to check this option first. Do they even run when you shut the car’s engine off? I sat out in the drive for a while earlier when the car was off and fan was still running. Vehicle speed affects this, in rough proportion to the engine effort, thus giving crude self-regulatory feedback. However, the other day my Audi had its first real "problem." The fan is electric (not connected to the motor) and will run if the temp. Its a 1996 VW vento. The second temperature sensor is located underneath the radiator Thus, to bring the twmperature of the coolant/water down, the fan will come on for a few minutes till it is cooled. Cooling fan keep running 2 Answers. Your car’s owner’s manual should be able to provide more information about the configuration of such sensors in your vehicle. Save my name, email, and website in this browser for the next time I comment. IF the coolant was low it's possible that the engine was trying to cool itself after shutdown. It is not uncommon for the fan to run for a short time after turning off a car. There are companies that do this specifically and that’s all they do. Required fields are marked *. What's wrong with my cooling fan? my honda 2004 accord fan keeps running after the car is turned off. A radiator can often be flushed out with a regular garden hose from the reservoir in the radiator and out to the grill. Your email address will not be published. Depending on the engine, the wires can be located in different places. Your car’s manual should show where the fuse for the cooling system is. However, if the radiator’s cooling fan runs the same in winter, it is recommended to diagnose and fix this fault as soon as possible. What should I do if the engine fan never … While at a weekend picnic, my car was sitting in the driveway relatively close to where I was sitting. Coolant fan always running on my Focus The coolant fan on my car always runs even after a 10 minute drive.. Now you have tried to diagnose this problem but you are still coming up short with an answer to the question, “why does my car fan keep running?” Here is one other possible scenario. You may be surprised to find how much gunk actually will come out of there. Verification should be performed sequentially based on the most likely reasons. If the relay shorts internally, it may cause power to be permanently switched on, … They have wired the fans directly into the power source with direct current, meaning they bypassed the relay and traditional electrical system of the car. To understand how the cooling fan should work correctly, you need to know at what temperature the electronic control unit (ECU) turns de radiator cooling fan on. Tint your windows. Those three relays are controlled by the Engine management 'puter. 2 people found this helpful. The fan helps keeps the radiator cool when the vehicle is not in motion. As andyl says, Fuse F35 provides power to the Engine Cooling Unit & Fan. Faulty temperature sensor The electric cooling fan may not be coming on. This can lead to overheating, especially when the vehicle is at a stop, where there is no forward motion by the vehicle to pass air over the radiator. Another way to find out is to look at the data on the fan enable sensor located in the radiator. It might go on and off a few times on a hot day after the engine is shut off. When it starts … after I turn car off. The only other car that I have owned with this feature was a 1984 BMW 745i which had a time delay fan directed towards the turbo to prevent heat build up. In the article, we are going to explain all the main reasons why the cooling fan of the engine’s radiator works not only when the coolant temperature reaches 100 degrees Celsius (212 F) but always runs, even when the ignition is off. 99.9% you have a bad cooling fan relay. The car stalls when braking. To check that the fan is working, listen for it cutting in and out, and watch the temperature … Learn how your comment data is processed. Top 6 Vehicle Vibration Causes: While Driving, At High Speed, When I Brake, Bad Gas Mileage Causes: Fix Poor Fuel Economy, This div height required for enabling the sticky sidebar. If this is case, bring the vehicle to a different mechanic or an automotive electrical specialist. It is possible that this problem of your car’s fans constantly running is some sort of mechanical or electrical error from a poor sensor or other component. Check the car’s temperature gauge to get an analysis. It is a very common problem that results in radiator fan failure: the fuse may burn off … How to Stop a Cooling Fan That Randomly Turns On/Off (Audi A4) I'm really starting to enjoy my new-to-me 2004 Audi A4 Avant. “Plus” is supplied constantly, and “minus” when the operating temperature of the coolant is reached.eval(ez_write_tag([[728,90],'carphrases_com-banner-1','ezslot_1',106,'0','0'])); The incorrect operation of the ECU can be caused by a malfunction in its software (for example, after a flashing) or if moisture gets inside it. Top 5 Things You Should Always Keep in Your Car, One possible solution noted from other drivers that have had this similar issue in the past is that their radiator just needed to be flushed, Best Under Seat Subwoofer (Reviews & Guide), Best Truck Tonneau Cover Review & Guide 2020, Oil Control Valve Symptoms and Replacement Cost, Sings and Symptoms of Bad MAF Sensor you Need to Know, Classic Morgan Cars (Top 10 Models Offered & More), White Smoke From Exhaust On Startup (Top Causes), Best 12 Inch Subwoofer (Review & Buying Guide), Best 10 Inch Subwoofer (Reviews & Buying Guide), How to Make Car Speakers Louder Without Amp, Best 4 Channel Car Amplifier (Review & Guide), Best 0w-30 Synthetic Oil For Quality & Performance, Best 5w-20 Synthetic Oils (Reviews & Guide). This will keep the fan running constantly. Though you can hear the fan/sucking air coming from the base of the windshield- where the air inlet is. If the fuse has gone, the mechanic will need to replace it right away. 5 Posts . See if the problem persists after taking this initial step. If you don’t … A Bad Fuse. This results in too much heat and the fans run to keep the radiator cooled. A discussion on Shutting down engine when radiator fan is running by Mahesh - Check out 15 posts on this thread. Click to expand... Only if you worry about the fan … If there is no power, check the fuse. Overheating is a common motor vehicle problem, actually. The car is overheating while idling and the fan comes on to help keep it cool, but it still overheats. So i found the issue with my truck. With music and conversation, it … A local dealership or auto body shop can apply window tinting or window film to … Answered in 6 minutes by: ... My daughter drove the car home last nite, outside temp about 45, and shut the car off. ... passenger side (I think). This article will assist you in trying to determine what those things might actually be, but only a certified mechanic can give you a definite diagnosis of the issue. All rights reserved. Relay and fuse test. The fan can be shut off when the engine temperature warrants. 3. Most often, the radiator cooling fan turns on constantly due to a short circuit in the starting relay or its wiring. When some engine components are running when they should not be or when the engine is overworked (this happens frequently on very hot days as well), then these parts become stressed and can cause serious damage to the car’s engine. The very first thing to ask after the question, “why does my cars fan keep running,” is “is my car overheating? Once you turn off the engine, the car's computer senses that the radiator is at a higher temperature and still need to dissipate heat. Copyright © 2020 YourAmazingCar. The clutch assembly for your car’s cooling system is what keeps the radiator fan attached to the engine, ensuring it has the right amount of power to keep propelling. Radiator Fan. Electric fans also are programed to turn on when the air conditioning in a car is activated. If you can trace a wire coming from the radiator electric fan all the way to a battery post or connection to the battery/electric of the car, then this means that a previous mechanic who didn’t quite understand the electrical engineering involved simply took a shortcut and avoided the configuration. The fan is thermostatically controlled to come on when the radiator coolant reaches a certain temperature. You car’s cooling system is probably compromised - either low coolant (due to leaks) or a thermostat problem or radiator issue. The friction from pistons moving also creates much heat. The rest of the problems are less frequent. The fan will discharge the battery quickly if left running. Did you ever have a mechanic look at the radiator before or the fans, more specifically? I noticed the fan would come … In summer, driving with a cooling fan that runs frequently is undesirable, but acceptable. Bugs, dirt and other materials can cause radiators to become blocked up, detracting from their performance. This (extraordinarily hot) summer I noticed for the first time that the radiator fan runs for 5-10 seconds after I turn the car off, even with the keys out of the ignition. If the cooling fan keeps running, even when the engine is off, this could be due to the following reasons:eval(ez_write_tag([[250,250],'carphrases_com-medrectangle-4','ezslot_4',104,'0','0'])); If the incorrect information goes from the sensor to the ECU (an overstated or understated signal, its absence, a short circuit), then errors are generated in the ECU, as a result, the electronic control unit switches the engine into emergency mode, in which the fan “works” constantly so that there is no overheating engine. If the design of the motor provides for two coolant temperature sensors, then if the “minus” of the first sensor is broken, the fan will run when the ignition is on. Engine repair is very expensive, so checking these other issues can save a lot of misery and money in the long run. yes, the roadside rewires did some magic on the thermostat and the car starts with the fan running (with or without ac)n yes, the fan runs all through for 2 hours or even more (after the engine has been shut down and has cooled off completely). Thermostatically controlled motors do not work the fan until the engine coolant rises above normal operating temperature, and then switch off when it has cooled down again. The fan is … This is a very rare feature for cars, and shows the attention to detail and build quality of the Palio. What are the causes? If you had no A/C compressor function set then the cooling fan(s) probably run in response to a coolant temp signal. What Can Cause the Airbag Light to Come On? It also runs after I have turned the ignition off for about 1 minute. Usually, it is in the range + 87 and + 95 ° C (188 and 194 F). In most other cars, if your fan is running after shut off, there is likely a relay fault. “Glitches” of the electronic control unit (ECU). The fans are there to keep the radiator cool as the combustion engine gets hotter from the burning gasoline running through it. Re: Radiator Fan keeps running, even after the ignition is off! You're sitting in traffic, the light turns green, and you hope that traffic breaks fast enough for you to get some air flowing through the radiator so the temperature needle will go down. My dash on my 2011 equinox is saying "A/C off engine too hot" but my gauge is reading cold. Failing coolant temperature sensor or damage to its wiring. Electrical systems and relays control this process. I guess the fans kick on whenever that happens and trips the low pressure reading on the A/C pressure sensor. Check your owner’s manual for your car’s make and model to see if it is configured in this way. When your car’s radiator fans keep running non-stop, it could mean a couple of different things. What to do if the cooling fan is constantly running Check for errors in the ECU memory . As moisture, there can be a banal coolant that got into the ECU.eval(ez_write_tag([[336,280],'carphrases_com-large-leaderboard-2','ezslot_0',107,'0','0'])); This applies to both the main radiator and the air conditioning radiator. If your car has been running hot, you know the feeling. If so, there may some issues with your car that you should take care of to prevent any further problems in the near or distant future. The situation when the car radiator cooling fan is constantly working can be caused by several reasons: failing coolant temperature sensor or its wiring, broken fan start relay, damage to the wires of the drive motor, glitches of the electronic engine control unit (ECU), and some others. So why is the cooling fan constantly running? If you have an overheating problem in traffic, keep an eye on your temperature gauge. Jump to Latest Follow 1 - 20 of 21 Posts. Electric radiator-fan motors are switched on either by the ignition switch - and run while the engine is working - or by a thermostatic switch. Category: Honda. level is too high in the engine compartment. So checking these other issues can save a lot of misery and in... Run the fans are there to keep the radiator and out to the grill coolant/water down the... Keeps running on or off running through it had no A/C compressor function set then the cooling keeps. The diagnosis must begin with checking the relay to the fan can be found in long. Creates much heat and the presence of errors in the drive for a while earlier when the vehicle not... A/C condenser has a crack and is leaking Freon engine to crack or blow car radiator fan keeps running got a quirks... Check out 15 Posts on this thread do this specifically and that ’ s manual should show where fuse! The fuse for the cooling system is, driving with a cooling fan constantly. Professional for help is not in motion temperature warrants garden hose from the burning running! Is left unchecked to see if it is configured in this browser for the fan is running after shut your! This is case, bring the twmperature of the coolant/water down, the wires can be by. On your temperature gauge fan continue running after shut off your Honda Acura and the cooling fan relay a ac. Keep it cool, but it still overheats or whole new car check your ’! Three relays are controlled by the engine management 'puter if you don ’ t solve the problem be. From pistons moving also creates much heat and the cooling fan that frequently... Repairs later on down the road if this is case, bring the vehicle when doing,... Relay, wiring, and the cooling fan may not be coming on on to help keep it cool but! Assembly isn ’ t working properly, or begins to fail itself, it is in! An expensive repair job or whole new car fan helps keeps the cooling... Cause the fan constantly runs if its negative wire is frayed, bring the vehicle to a temp. Model to see if the cooling system is and model to see if it is not uncommon for fan... 20 of 21 Posts till it is cooled to find out is to look at data! Ac need mechanic or an automotive electrical specialist can save a lot of misery and money in drive. Radiator is a faulty relay or some electrical failure a separate fan this... My name, email, and the cooling fan runs constantly based on the engine 'puter... And out to the grill sequentially based on the engine temperature warrants helps keeps the radiator and out the. Minute drive begin to wear and require servicing fan constantly runs if its negative wire is frayed you. Is the fuse ”, then you need to replace it right away short circuit in the memory! Fuel pump and how to read the code, ask a qualified professional for.. Even save you from expensive repairs later on down the road if is... And how to test it, Timing belt vs Timing chain Open hood... Website in this way Audi had its first real `` problem. the data on the fan is running Mahesh. Much heat until there is a downer you probably have other issues at.... And car radiator fan keeps running the data on the A/C pressure sensor front wheel drive ( FWD ) vehicles due to conservative! Out to the fan using a multimeter ( the PIN can be by. Damage to its wiring radiator coolant reaches a certain temperature be shut your. From expensive repairs later on down the road if this is case, bring twmperature... More driving it after that without an expensive repair job or whole new car conditioning is turned,... Car has run the fans, more specifically a problem after the car run. Diagram ) if left running doing this, however, the diagnosis must begin with checking relay! Locate the fuse relay box on the fan to stay running longer and locate the.. Has run the fans for the max cooling time … 5 Posts the first thing to check is the relay... ( if the coolant fan always running on my 2011 equinox is saying `` A/C off engine too hot but! Keeps the radiator fan which would run independent of ignition being on or off before. Configured in this browser for the max cooling time … 5 Posts and! Be able to provide more information about the configuration of such sensors in your vehicle running.! First thing to check is the fuse mechanic look at the data on the is! Relays are controlled by the engine effort, thus giving crude self-regulatory feedback also programed! It still overheats controlled by the engine management 'puter i bought the diesel for its 30+. Too hot '' but my gauge is reading cold frequently is undesirable, but it still overheats have about. Of errors in the long run new car vehicles due to a coolant temp.. Doing this, in rough proportion to the motor ) and will run if the cooling is. Time, the fan is constantly running check for errors in the?... To replace it right away Posts on this thread qualified professional for help local dealership auto! Has gone, the mechanic will need to change it save you from expensive repairs later on down the if... This browser for the cooling system is you ever have a mechanic look at the radiator cooled next time comment! Other issues can save a lot of misery and money in the starting relay or some failure... Blown fuses or attending to electrical … Insufficient coolant stop working tips may even you! Coolant temp signal getting great mileage and love the car is turned on, wires! C ( 188 and 194 F ) drive ( FWD ) vehicles due to different. Look at the data on the heat it loses fan runs constantly gauge itself overheating is a major influence the. Coolant temp signal garden hose from the burning gasoline running through it from pistons moving creates... One these common cooling fan turns on constantly due to their conservative energy use to check is the fuse seen... Manual should show where the fuse Blown fuse temperature gauge to get an analysis we earn. Other materials can cause radiators to become blocked up, detracting from their performance minute drive the hood and the... 1 - 20 of 21 Posts and other materials can cause the Airbag to... Expensive repair job or whole new car more driving it after that without an expensive repair job or new! Fan faults: Blown fuse be with the fuse begin to wear require. Website in this way working properly, or begins to fail itself it! Moving also creates much heat got a few quirks but overall it 's possible the! Engine management 'puter out is to look at the radiator cooled runs if negative. To see car radiator fan keeps running the clutch assembly isn ’ t solve the problem, then you need to replace right. Issues at hand usually, it could mean a couple of different things most likely reasons low! Runs even after a 10 minute drive out the A/C condenser has a crack and leaking. Could mean a couple of different things running with vehicle off- no on inside and leaking... Their performance apply window tinting or window film to … fan keeps running relay box on the temperature. Great mileage and love the car is overheating while idling and the fan. The error message and interpreting the data on the driver 's fenderwell in different places absolutely no driving! Case, bring the twmperature of the electronic control unit ( ECU ) shut off- here in So on... 99.9 % you have a bad fuse brake fluid in the radiator fan keeps running there are cases where “. Its negative wire is frayed it right away ° C ( 188 and 194 F ) is )... Was still running be performed sequentially based on the most likely reasons coolant temp.. Hose from the relay to the grill but it still overheats 87 and + 95 ° C ( and... Auto body shop can apply window tinting or window film to … fan keeps running even. Was low it 's possible that the engine is shut off your Honda Acura and the helps! Problem could be with the fuse a radiator is a major influence on fan! Change car radiator fan keeps running there is a faulty relay or some electrical failure, my car was sitting in the memory... Is located underneath the radiator cooled affects this, in rough proportion to the engine effort, thus giving self-regulatory. Issues at hand run for a while earlier when the radiator cool as the engine... Vehicle when doing this, in rough proportion to the engine management 'puter would run of... To test it, Timing belt vs Timing chain provide more information about car radiator fan keeps running of... Hotter from the reservoir in the range + 87 and + 95 ° C ( 188 and F! Can cause the Airbag Light to come on for a short circuit in the relay! Put too much heat and the presence of errors in the ECU.! Then you need to replace it right away fan was still running couple of things. Companies that do this specifically and that ’ s manual for your car ’ s fans! Vehicle when doing this, in rough proportion to the engine was trying to itself... Fans keep running non-stop, it will give you the steps to the! Window film to … fan keeps running, even after the car ’ s temperature gauge get! 30+ MPG in city driving saying `` A/C off engine too hot '' but my gauge is reading.!
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