Question about 2004 Chevrolet Cavalier

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My car shakes bad when it rains

My car runs perfectly find any day that it doesn't rain, but when it does rain, my car shakes bad. It's so bad I'm thinking about charging people for a foot massage in my car because the whole floorboard vibrates.

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  • illinifan124 May 12, 2010

    The check engine light doesn't turn on when it's running bad but I'll check for moisture in the ignition coils. Thanks.



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When it's running bad does the "check engine light" flash? A flashing check engine light indicates a missfire, which sounds like what's happening. I would look for moisture entry at the ignition coils. You could try misting water on the ignition components with it dark and look or listen for arching. It could be arching in the spark plug tubes so not seeing the arch doesn't necessarily mean it's not happening.

Posted on May 11, 2010


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