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2002 Pontiac Grand Am Question: misfire



ivanm511, Ruskin, FL, September 30, 2009, 16:44

misfire; catalitic converter got hot; trac off light on? service engine soon light blinking.
checked: plugs replaced
catalic converter removed
no change

1 Answer
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  • Answer #1

    Bret Bodas from RepairPal Test Shop, September 30, 2009, 17:35

    You'll need to determine the cause of teh misfire. See this article for more information: http://repairpal.com/OBD-Code-P0300

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