Question about 2004 Chevrolet Cavalier

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Tachometer is bouncing all over the place at idle

I stopped at a red light and the tachometer started bouncing all over the place, the car was running super rough at idle, and then the trac off light went on.

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It sure sounds like one of many possibilities but it might have something to do with your coil ... 

Posted on Jan 23, 2009

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