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1996 Buick Riviera Question: i get multiple cylinder misfire code

 

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2002duecerider, Buffalo, NY, January 26, 2012, 10:16
 Rookie

checked all plugs, wires and coil packs they are fine, O2 sensors and mass air flow sensor are also new as well as fuel filter. now it is smiking bad from exhaust, and oil drips from mufflers, rough idle revs and stalls

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  • Answer #1

    January 26, 2012, 18:42
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     Journeyman

    possible intake gasket leak, fuel pressure regulator, or ignition module

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