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1996 GMC C1500 Sierra SL 4.3L Misfire
This truck backfires/misses/coughs (acts like crossed wires) under a snap acceleration. Slowly accelerating, the truck runs smoothly. Fuel pressures are good. Fuel injectors are good, wires were just replaced, and they are in the correct firing order. any help...
FIX posted 10/26/2000
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| VIN | 1GTEC14W7T |
| Engine | 4.3 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / pfi |
| Emissions | OBD-II Compliant |
| Symptoms | Misfire |
| Occurs | Under Load |
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Vehicle Data
1996 GMC C1500 Sierra SL
| VIN | 1GTEC14W7T |
| Engine | 4.3 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / pfi |
| Emissions | OBD-II Compliant |
| Symptoms | Misfire |
| Occurs | Under Load |
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