Question about 2003 Chevrolet Trailblazer Ext

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It runs really rough at idle and low rpm, kinda sluggish. if its in gear and i let off the brake the car moves forward bouncing, you can also hear a staedy puttering coming from the exhaust

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Any check engine lights on? Does this only happen when your defroster and or your A/C is on?

Posted on Mar 25, 2011

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