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1992 Chevrolet K3500 Cheyenne 7.4L Poor Idle Quality, Misfire
Posted to GM Driveability on 6/1/2007 19 Replies

When I got the heads reinstalled and started vehicle. Everything checks out ok, except at idle there seems to be a misfire. Performed cylinder balance test and found #8 cylinder to not change the rpm. Checked compression 125 psi all others around 150 psi. Appl...

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car Vehicle Data

1992 Chevrolet K3500 Cheyenne

VIN 2GCHK39NXN
Engine7.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / TBI
EmissionsFed Emissions
SymptomsPoor Idle Quality, Misfire
OccursIdle
Misc.Dually
Message Closed w/FIX

car Vehicle Data

1992 Chevrolet K3500 Cheyenne

VIN 2GCHK39NXN
Engine7.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / TBI
EmissionsFed Emissions
SymptomsPoor Idle Quality, Misfire
OccursIdle
Misc.Dually