C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

fan

Old Mar 9, 2008 | 03:39 PM
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dad8188
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i have a 1992 vette. i changed thernostat and everthing was working fine. but now the fan comes on when i turn car on and stay on and check engine light is on. any ideas
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Old Mar 9, 2008 | 06:59 PM
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make sure your water temps are ok.. you might have a buble in the cooling system that is causing the fan to come on! if the water temps are fine it an electrical glitch ,, but this woulnt cause the c/e light to come on
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Old Mar 9, 2008 | 07:28 PM
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changing a thermostat shouldnt cause the light or the fan operation to change did you possibly leave the ECT sensor wire or some other wire disconnected what code has been set trouble shoot that code and fix the cause

RACE ON!!!
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Old Mar 9, 2008 | 07:50 PM
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I had that happen once and it was the fan relay. It was stuck and cost twelve bucks to replace. Good luck.
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