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  1. 8th Gen Engine Performance
    My 08 impala has a 3.5 with a cold air intake, performance plugs,wires, and the resonator deleted. About a week a ago the code for my tps started popping I would clear it and at first it was once a day now 4 to 5 times a day. I can start go and no problem then suddenly it will rev up like I...
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