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1989 GMC 1 Ton 454CID Cuts out, Misfire
Posted to GM Driveability on 12/21/1998

I need help !!!! This 1989 1-ton has a new remanufactured engine in it. Just installed and hasnt left our shop yet. Under acceleration it bogs down and pops hard through the intake at about 1800 to 2300 RPM The primary ignition pattern looks good on the scope ...

 
Message Closed w/FIX

car Vehicle Data

1989 GMC 1 Ton

VIN 2GTAK39NXK
Engine454 / 8 cyl
SymptomsCuts Out, Misfire
OccursOn Accel
Message Closed w/FIX

car Vehicle Data

1989 GMC 1 Ton

VIN 2GTAK39NXK
Engine454 / 8 cyl
SymptomsCuts Out, Misfire
OccursOn Accel