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2003 Chevrolet Silverado 2500 HD 6.0L Poor Idle Quality, Misfire, MIL Lamp on
This truck misses heavy on cyl#3 and #4. we have scoped the ignition and coils and injectors, all look normal. we swapped 2 plugs, wires, injectors(not plugged at all). To no avail i can not find out what is causing this miss at idle. It runs perfect on the hi...
FIX posted 7/15/2006
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Related Documents & Media | VIN | 2GCEK19U03 |
| Engine | 6.0 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Misfire, MIL Lamp On |
| Occurs | Always, Idle |
| Misc. | Stock |
Trouble Codes
| P0300 | Multiple Misfire Detected |
Message Closed w/FIX
Vehicle Data
2003 Chevrolet Silverado 2500 HD
| VIN | 2GCEK19U03 |
| Engine | 6.0 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Misfire, MIL Lamp On |
| Occurs | Always, Idle |
| Misc. | Stock |
Trouble Codes
| P0300 | Multiple Misfire Detected |
Video