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1991 Pontiac Grand Prix SE 3.1L Misfire
Posted to GM Driveability on 5/17/2000

Car has an almost dead miss on #1 at idle. Checked spark, compression, all plug wires, coil, and tried noid light on #1 injector harness - all checked OK. Checked for vacuum leak, which I considered most likely from customers complaint, repaired one at IAC mot...

  Related Documents & Media  1991 Pontiac Grand Prix SE

 
Message Closed w/FIX

car Vehicle Data

1991 Pontiac Grand Prix SE

VIN 1G2WJ14T3M
Engine3.1 L / 6 cyl / GAS
Trans3-speed Automatic
DeliveryFI
SymptomsMisfire
OccursIdle
Message Closed w/FIX

car Vehicle Data

1991 Pontiac Grand Prix SE

VIN 1G2WJ14T3M
Engine3.1 L / 6 cyl / GAS
Trans3-speed Automatic
DeliveryFI
SymptomsMisfire
OccursIdle