Recent content by poiboy
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Misfires happening on grades and accelrations @ 60+
Hey people, I've got a '99 tahoe and I've been searching forums on misfires on the engine, at least that's what I'm gathering. I've had this constant problem and have not been able to solve it. I'm no mechanic, so taking it to a qualified mechanic, they diagnose the engine with the PO300...- poiboy
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