Question about 2002 Ford Taurus

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I have a ford taurus that the cooling fans will only run when when the ac is on 2002/ engine 3.0 efi/

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The cooling fans on this vehicle won't come on unless the a/c is on or until the engine coolant temperature reaches about 220 degrees. Once the coolant has reached this temperature the fans will come and and run until the engine cools down to about 210 degrees and they will then turn off until the temperature climbs up again. The fans usually aren't on at all at highway speeds because enough air is being forced through the radiator to keep everything cool. The true test of cooling fan operation is to allow the car to idle in park with both the a/c and defrost turned off and let it run until the fans come on. When The temp gauge reaches about 3/4 of the way up, give or take a bit, the fans should come on. Keep an eye on the gauge so the engine doesn't overheat just in case there really is a fan control problem but I'd say you'll most likely find that the fans are working properly since they do come on for the a/c. Hope this helps!

Posted on Jul 07, 2010

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2002 ford taurus overheats after aprox 30 minutes drive. Radiator and all refrigeration pipes where cleaned and flushed twice and are not obstructed but problem persists. New radiator fan and a new...


Do you know for a fact there is no air in the cooling system and it is full of liquid coolant ? Are the fans coming on with the ac and when the engine reaches 220 degrees ?
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About the only thing that you didn't list is the cooling fan. Are you sure that it's working properly? Drive the car until the engine starts to get hot. After awhile you should hear the cooling fan come on. After you have driven the car for a while, park it and open up the hood. If the upper radiator hose is almost too hot to touch, then check to see if the coolant fan is running. If it isn't, then turn the AC switch to "AC MAX". If the fan still doesn't come on, then a malfunction is indicated. Try to locate the fan control relay and swap it with another relay that has the same part number. Use a relay that will allow the engine to run. Allow the engine to reach operating temperature and see if the fan comes on after switching the AC switch to "AC MAX". If the fan now operates, then replace the relay. I hope this is helpful to you. Thank you for trying Fixya.com. If this does not solve your problem, then post a comment and I will respond by getting into more advanced diagnostics.

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1999 Ford Taurus 3.0 L EFI 6 cycle engine The car overheats when its not moving. I know that the fans work because I have seen them come on. However, I noticed that they are not running when the car...


Making sure the fluid level is up, and there is no leaks in the cooling system, then you must have a circulation problem, Check the thermostat and water pump.

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1 Answer

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The A/C system maybe low on freon. I would have the A/C system checked.

May 01, 2010 | 2002 Ford Taurus

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The cooling fan on my 2001 Mustang runs constantly. Even when the engine is cold. The temperature gauge reads normal. The engine has 39,000 miles. What is the problem?


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1 Answer

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