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1987 Pontiac grand am 3.0L Surge, Misfire
Posted to GM Driveability on 4/24/1998

Have weak spark om cylinder 1/4 coil pack. Replaced coil no help. Replaced module no help. If you pull both coil wires off 1/4 coil threr is very weak spark ground mone side and spark is [...] for the modules ability to fire coils with test lite its bright on ...

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car Vehicle Data

1987 Pontiac grand am

VIN 1G2NV51L2H
Engine3.0 L / 6 cyl
SymptomsSurge, Misfire
OccursAlways
Message Closed

car Vehicle Data

1987 Pontiac grand am

VIN 1G2NV51L2H
Engine3.0 L / 6 cyl
SymptomsSurge, Misfire
OccursAlways