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97 Grand Prix SE - P0300
Posted to Technical Discussion Forum on 9/5/2002 32 Replies

Hi all,

I have been battling a 1997 Pontiac Grand Prix SE 3800 vin K, with 65,000 miles Symptom rough idle & P0300.

The misfire is at idle only, cold or hot- slightly worse cold- slightly worse in park than drive or reverse- misfire is rhythmic almost like... Login to read more.

32 Replies Received (View Replies)