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1994 Chevrolet C1500 Cheyenne 5.7L MIL Lamp on
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 ...
FIX posted 11/27/2007
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Message Closed w/FIX
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13 Replies Received
13 Replies Received
Related Documents & Media | VIN | 1GCDC14Z4R |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / TBI |
| Emissions | OBDI |
| Symptoms | MIL Lamp On |
| Occurs | Under Load, on Accel, Cruise, Intermittently |
| Misc. | Was 4.3L Swapped for 5.7L Computer and Harness Changed |
Trouble Codes
| 13 | o2 circut problem |
Message Closed w/FIX
Vehicle Data
1994 Chevrolet C1500 Cheyenne
| VIN | 1GCDC14Z4R |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / TBI |
| Emissions | OBDI |
| Symptoms | MIL Lamp On |
| Occurs | Under Load, on Accel, Cruise, Intermittently |
| Misc. | Was 4.3L Swapped for 5.7L Computer and Harness Changed |
Trouble Codes
| 13 | o2 circut problem |
Video