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1988 Pontiac Grand Prix SE 2.8L Misfire
Posted to GM Driveability on 6/12/2008 8 Replies

vehicle came in running rough, found cylinders 1 and 4 to have no spark, replace the coil still nothing replaced the module and still same result, looked at the live data and noticed that the rpm was out of control on the data, it was jumping around from 2000 ...

8 Replies Received (View Replies)

  Related Documents & Media  1988 Pontiac Grand Prix SE

 
Message Closed w/FIX

car Vehicle Data

1988 Pontiac Grand Prix SE

VIN 1G2WP14W2J
Engine2.8 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI / sefi
SymptomsMisfire
OccursAlways
Message Closed w/FIX

car Vehicle Data

1988 Pontiac Grand Prix SE

VIN 1G2WP14W2J
Engine2.8 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI / sefi
SymptomsMisfire
OccursAlways