LT1-LT4 Modifications 1993-97 Gen II Small Block V8

check engine

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Old 08-07-2010, 01:21 PM
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so it happened again today, and i have no idea what it can be...every once in a while my check engine will come on and my coolant fans sound like they are goin a million miles an hour...i havent been back in the car today when it did it but usually when i get back in the light will be off and the fans wont be on...does anyone have a clue what that could be?
Old 08-07-2010, 01:25 PM
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The cooling fans come on whenever the SES is set.

No use in guessing - have the PCM scanned for whatever code it's setting. That's what it's there for.




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