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1990 Chevrolet C1500 Cheyenne 5.7L Excessive Emissions, Poor Idle Quality
Truck runs poorly cold. Loads up and misses. Clears up to some degree when warmed up, but still has intermittent missfire. No codes, all data stream info looks normal. CTS is ok. Tried known good MAP and ECM no help.
FIX posted 4/16/2001
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| VIN | 1GCDK14K14 |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / TBI |
| Emissions | California |
| Symptoms | Excessive Emissions, Poor Idle Quality |
| Occurs | Cold |
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Vehicle Data
1990 Chevrolet C1500 Cheyenne
| VIN | 1GCDK14K14 |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / TBI |
| Emissions | California |
| Symptoms | Excessive Emissions, Poor Idle Quality |
| Occurs | Cold |
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