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1996 Chevrolet K1500 Cheyenne 5.7L Poor Idle Quality, Misfire
Posted to GM Driveability on 7/15/2009 22 Replies

about 2 months ago customer complaint was that the engine was misfiring. We could watch the misfire start on cylinders 5 and 7 then move to 1 and 3 as the vehicle warmed up. Fuel pressure and secondary ignition system are good. compression is good. We replaced...

22 Replies Received (View Replies)

  Related Documents & Media  1996 Chevrolet K1500 Cheyenne

 
Message Closed w/FIX

car Vehicle Data

1996 Chevrolet K1500 Cheyenne

VIN 2GCEK19R0T
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire
OccursIdle

Trouble Codes

P0161Heated Oxygen Sensor (Bank 2 Sensor 2) Heater Circuit Malfunction
P0172Fuel System Too Rich (Bank 1)
P0175Fuel System Too Lean (Bank 2)
P0300Multiple Misfire Detected
Message Closed w/FIX

car Vehicle Data

1996 Chevrolet K1500 Cheyenne

VIN 2GCEK19R0T
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire
OccursIdle

Trouble Codes

P0161Heated Oxygen Sensor (Bank 2 Sensor 2) Heater Circuit Malfunction
P0172Fuel System Too Rich (Bank 1)
P0175Fuel System Too Lean (Bank 2)
P0300Multiple Misfire Detected