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1999 GMC 1500 Pickup Question: Code 300

 

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Freejack2549, Gasoline, Massena, NY, March 07, 2010, 05:54
 Rookie

I get a code 300 Random multiple misfire I am at a loss of what to do any ideas

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  • Answer #1

    Bret Bodas from RepairPal Test Shop, March 07, 2010, 09:10
     Master

    Read this article for a good understanding of the P0300 code: http://repairpal.com/OBD-II-Code-P0300

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