Question about 1996 Chrysler Cirrus

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Fans on Cirrus 2.5 1995 start at any time they want!

The fans are going ON at any time- even when you start the engine, even if the engine is cold! But they arn't working stable- they working for few seconds and going OFF, and after that immediately going ON again, and repeat this chaotic in time. My temperature gauge is working fine and very accurately. I know that the computer is controling when the fans need to start, based on the readings of the temperature sensor connected to my temperature gauge. So I don't think that it can be a bad sensor.
Any ideas?? I have this problem for a year now and I could not find any solution. I really really appreciate your help!!!

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  • martellko Jan 25, 2009

    I know that, but the problem is not shown when I just turn ON the AC or the defroster. The problem is that the fans are just goinig ON without a reason. They can start any time when the ignition is ON. It so crazy, funky problem. I think that I have bad PCM.

  • martellko Jan 25, 2009

    I'd like to say that the fans can run ANY TIME, not just when I start the AC or defroster. And they're running unstable (just for few seconds) and going OFF. And than this can repeat again for unknown period of time....

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THERE IS A THERMOSTATIC SENSOR THAT SENSES COOLANT TEMP. IF THE AC OR THE DEFROSTER IS USED THE FAN WILL COME ON BECAUSE THE SYSTEM UTILIZES THE AC COMPRESSOR WHICH CAUSE THE FAN TO COME ON AND CYCLE. THE FAN MAY EVEN RUN FOR A PERIOD OF TIME AFTER YOU SHUT THE ENGINE OFF. THIS IS A NORMAL PROCESS. JUST MAKE SURE YOU HAVE A GOOD BATTERY IN YOUR VEHICLE.

Posted on Jan 25, 2009

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