This is topic Fan and temp problem in forum Tech Talk at Northern California Ford Owners .
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Posted by Smoked50 (Member # 9592) on
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My coolant temp works perfectly fine until I upload a tune, it is a custom tune and my tuner has said it isn't a tuning issue. It stays stuck at 60 degrees coolant temp when I upload the tune and the fan dOesnt kick on because it thinks the car is at 60 degrees eventually causing it to overheat. Anybody have this problem before? As soon as I put the computer back to stock the coolant temp and fan works again
Posted by Smoked50 (Member # 9592) on
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Anybody?
Posted by tribesmen (Member # 11900) on
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What tuning software you using? I use a Tweecer and have had funny things happen I rewrite the tune and the problem goes away.
Posted by KevinK (Member # 9234) on
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Maybe it might have something to do with AC option. Often people overlook the ac when it's disabled but the computer still thinks it's present. Just a guess as the electric fan also gets a signal from the ac circuit.
Posted by Bulletsponge (Member # 9529) on
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What year mustang? What kind of tuner?
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