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1996 Chevrolet C2500 Cheyenne 5.7L Spark Knock
Vehicle pings under light acceleration under slight pedal pressure up hills. Only does it under light throttle pressure. The ECM has been reprogrammed. Anyone have any ideas? Thanks
FIX posted 7/11/2001
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Message Closed w/FIX
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Related Documents & Media | VIN | 1GCGC29RXT |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Spark Knock |
| Occurs | Under Load |
Message Closed w/FIX
Vehicle Data
1996 Chevrolet C2500 Cheyenne
| VIN | 1GCGC29RXT |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Spark Knock |
| Occurs | Under Load |
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