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1994 Chevrolet C1500 Cheyenne 5.7L MIL Lamp on
Posted to GM Driveability on 11/24/2007 13 Replies

I have changed the obvious being the o2 sensor, and have used 2 different manufactures of them so i can eliminate that. I looked at all the diagrams for the 1995 PCM and harness that is in the vehicle and have not been able to find any problems in the harness ...

13 Replies Received (View Replies)

  Related Documents & Media  1994 Chevrolet C1500 Cheyenne

 
Message Closed w/FIX

car Vehicle Data

1994 Chevrolet C1500 Cheyenne

VIN 1GCDC14Z4R
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / TBI
EmissionsOBDI
SymptomsMIL Lamp On
OccursUnder Load, on Accel, Cruise, Intermittently
Misc.Was 4.3L Swapped for 5.7L Computer and Harness Changed

Trouble Codes

13o2 circut problem
Message Closed w/FIX

car Vehicle Data

1994 Chevrolet C1500 Cheyenne

VIN 1GCDC14Z4R
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / TBI
EmissionsOBDI
SymptomsMIL Lamp On
OccursUnder Load, on Accel, Cruise, Intermittently
Misc.Was 4.3L Swapped for 5.7L Computer and Harness Changed

Trouble Codes

13o2 circut problem