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Re: 1988 pontiac grand prix
Posted to Technical Discussion Forum on 6/29/2006

Milan,

I don't think those are ligitimate codes - sounds like a scan tool issue. Try a different scanner or flash codes by jumping A~B at the DLC, KOEO. Letting us know some more info would be useful, like what engine (assuming this may be the 2.8W), what ot... Login to read more.