after gmpp catback install cel!?
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after gmpp catback install cel!?
i put on the gm catback exhaust for my 06 cobalt ss/sc sounds great! after a few miles the check engine light came on
seeing as i didnt mess with any sensors or anything any one know what the problem could be
thanks for your help
seeing as i didnt mess with any sensors or anything any one know what the problem could be
thanks for your help
Last edited by spliceitup; Apr 17, 2010 at 03:39 PM. Reason: better description
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