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random multipule cylinder missfire

   
Old Jun 24, 2010 | 06:09 PM
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Unlikly because it'* a random misfire. A bad injector would be on the same cylinder. That suggests low fuel pressure or a over all ignition system problem like wire harness or ICM
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Old Mar 30, 2011 | 10:27 PM
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Holy Crap! I have the same problem. 1999 Olds 88 with 118K on it. SAME problem too. Misfires under loads just like yours. New plugs and wires, garage can't figure it out either.
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