vortec 4.3 misfire
05-01-2004, 08:28 AM
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vortec 4.3 misfire I have a 2002 gmc sierra vortec 4.3 with the code po300 multiple cylinder misfire detected.Truck runs fine at idle,but there after it runs bad.the problem was distributor cap and rotor.was burnt up.now,runs great and no codes.
Last edited by Russell Fraser; 05-01-2004 at 09:06 PM.
