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1999 Chevrolet C3500 7.4L Misfire
Posted to GM Driveability on 2/13/2014 31 Replies

I have this truck that is misfiring at idle. Using scan tool it show cylinders 1 and 6 mostly but misfires on all cylinders. I use alternate fuel samething, but when I had fuel in to the air cleaner it runs good and no more misfires. I did a injector balance a...

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  Related Documents & Media  1999 Chevrolet C3500

 
Message Closed w/Summary

car Vehicle Data

1999 Chevrolet C3500

VIN 1GBKC34J7X
Engine7.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMisfire
OccursIdle
Message Closed w/Summary

car Vehicle Data

1999 Chevrolet C3500

VIN 1GBKC34J7X
Engine7.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMisfire
OccursIdle