2004 Grand Am is down 2 cyclinders. Replaced PCM but is still misfiring on one cyclinder. Fuel injection appears to be working. What is going on?
90

Asked by Lisa Apr 20, 2016 at 03:26 PM about the 2004 Pontiac Grand Am GT

Question type: Maintenance & Repair

2 Answers
90

Lisa answered 8 years ago

This is not the problem; but thanks for your input. Anyone else have any suggestions!

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90

Lisa answered 7 years ago

This ended up being a broken valve spring on cyclinder #2! Got the right mechanic who diagnosed it in less than 24 hours. I'm back behind the wheel!

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