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2002 GMC Sonoma SL, ECM/Inputs/Outputs Scan Data
Posted to the Waveform Library on 10/21/2011

Cyl #4 dead and misfiring at all times. Fuel trim on B2 elevated. Cause of misfire was a stuck closed injector and/or poppet nozzle.

 

car Vehicle Data

2002 GMC Sonoma SL 4.3L

Engine4.3 L / 6 cyl / GAS
Trans4-speed AutomaticTransmission (Electronic)
DeliveryFuel Injection
SubsystemECM/Inputs/Outputs
ComponentOther
ConditionKnown Bad

car Vehicle Data

2002 GMC Sonoma SL 4.3L

Engine4.3 L / 6 cyl / GAS
Trans4-speed AutomaticTransmission (Electronic)
DeliveryFuel Injection
SubsystemECM/Inputs/Outputs
ComponentOther
ConditionKnown Bad