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1996 Chevrolet C1500 5.7L Poor Idle Quality, Misfire, MIL Lamp on
Posted to GM Driveability on 2/7/2002 11 Replies

Hello to all, This truck came in with MIL on and rough idle. Misfire date shows #3 the most active in misses,but all on occasion will miss at different times. The fuel pressure WILL NOT stay at 60 psi when running even when on the Motorvac machine will only do...

11 Replies Received (View Replies)

  Related Documents & Media  1996 Chevrolet C1500

 
Message Closed w/Summary

car Vehicle Data

1996 Chevrolet C1500

VIN 2GCEG19R0T
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire, MIL Lamp On
OccursAlways

Trouble Codes

P0137Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit Low Voltage
P0171Fuel System Too Lean (Bank 1)
P0300Multiple Misfire Detected
P1406EGR Valve Pintle Position Circuit Malfunction
Message Closed w/Summary

car Vehicle Data

1996 Chevrolet C1500

VIN 2GCEG19R0T
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire, MIL Lamp On
OccursAlways

Trouble Codes

P0137Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit Low Voltage
P0171Fuel System Too Lean (Bank 1)
P0300Multiple Misfire Detected
P1406EGR Valve Pintle Position Circuit Malfunction