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1992 GMC C1500 Sierra SLE 4.3L Misfire
Posted to GM Miscellaneous on 2/16/2021 26 Replies

it came in with running excessively rich with misfire. checked for fuel pooling under throttle valve. rebuilt the throttle body with injectors. checked egr valve and replaced due to partially open replace spark plugs due to black with raw fuel. also custom...

26 Replies Received (View Replies)

  Related Documents & Media  1992 GMC C1500 Sierra SLE

 
Message Closed w/FIX

car Vehicle Data

1992 GMC C1500 Sierra SLE

VIN 1GTEC14Z7N
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
AffectedMisfire
Message Closed w/FIX

car Vehicle Data

1992 GMC C1500 Sierra SLE

VIN 1GTEC14Z7N
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
AffectedMisfire