Engine Misfire in a 98 - 454 gmc

Asked by GuruFTXZ1 Apr 18, 2020 at 06:55 PM about the 1998 GMC Sierra 3500 2 Dr C3500 SL Extended Cab LB

Question type: Maintenance & Repair

Have changed Cap , Rotor , coil , plugs , wires.
Have a misfire that I can't get rid of
HELP , THANKS
454 , Vortex

1 Answer
15

Dominic answered 4 years ago

i have a 96 gmc 454, mine has injectors does yours. if so one could be dumping gas into a cylinder.

Mark helpful

Your Answer:

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