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1999 Chevrolet Express 3500 5.7L Poor Idle Quality, Misfire, Poor Fuel Economy
monitor shows misfire on #3 and 4 [...] spark plugs (to be sure plug was not cracked on install)and misfire stayed on # 3 and 4 cylinders.
FIX posted 3/24/2002
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Related Documents & Media | VIN | 1GCHG35RXX |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Misfire, Poor Fuel Economy |
| Occurs | Always, Cold, Hot, Under Load, on Decel, on Accel, Turning, Cruise, Idle, After a Hot Soak |
| Misc. | Cargo Van |
Message Closed w/FIX
Vehicle Data
1999 Chevrolet Express 3500
| VIN | 1GCHG35RXX |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Misfire, Poor Fuel Economy |
| Occurs | Always, Cold, Hot, Under Load, on Decel, on Accel, Turning, Cruise, Idle, After a Hot Soak |
| Misc. | Cargo Van |
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