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1988 GMC 3500 7.4L Misfire
Posted to GM Driveability on 9/15/1998

Truck came in no power and pops back. Test ignition ok . Test compresion ok. Look at exhaust and noticed that the header pipe looked as if it had been hot. Drop the exhast down to see if it was plugged its ok to. Test fuel presure ok . Sounded retarded so chec...

 
Message Closed w/FIX

car Vehicle Data

1988 GMC 3500

VIN 1GTGKE4N8J
Engine7.4 L / 8 cyl
SymptomsMisfire
OccursAlways, Cold, Hot
Message Closed w/FIX

car Vehicle Data

1988 GMC 3500

VIN 1GTGKE4N8J
Engine7.4 L / 8 cyl
SymptomsMisfire
OccursAlways, Cold, Hot