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1994 Chevrolet C3500 Cheyenne 7.4L Poor Idle Quality, Hesitation, Surge, MIL Lamp on
This pickup came in running poorly and no communication with scanner. Found it had a boneyard pcm #[...] and prom #[...]. Installed reman pcm with that prom. Now we have data, but no codes come up on modis. Jumping aldl I get lots of codes, all trans codes :59...
FIX posted 11/20/2009
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Related Documents & Media | VIN | 1GCGC34M9R |
| Engine | 7.4 L / 8 cyl / GAS |
| Trans | 5-speed Standard |
| Delivery | FI / TBI |
| Symptoms | Poor Idle Quality, Hesitation, Surge, MIL Lamp On |
| Occurs | Always |
Message Closed w/FIX
Vehicle Data
1994 Chevrolet C3500 Cheyenne
| VIN | 1GCGC34M9R |
| Engine | 7.4 L / 8 cyl / GAS |
| Trans | 5-speed Standard |
| Delivery | FI / TBI |
| Symptoms | Poor Idle Quality, Hesitation, Surge, MIL Lamp On |
| Occurs | Always |
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