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2003 Chevrolet Express 2500 4.8L Misfire, MIL Lamp on
Here's one for the books. This van has a misfire on #3 and #1 cylinders at idle until around 2000rpm. #3 misfires a lot more than #1 cylinder. The misfire counter goes to 0 between 1800 to 2000 rpm. We swapped the plugs, coil packs with the cylinders that don'...
FIX posted 4/11/2007
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Message Closed w/FIX
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Related Documents & Media | VIN | 1GCGG25V23 |
| Engine | 4.8 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / SEFI |
| Emissions | OBD-II Compliant |
| Symptoms | Misfire, MIL Lamp On |
| Occurs | Idle |
Trouble Codes
| P0300 | Multiple Misfire Detected |
Message Closed w/FIX
Vehicle Data
2003 Chevrolet Express 2500
| VIN | 1GCGG25V23 |
| Engine | 4.8 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / SEFI |
| Emissions | OBD-II Compliant |
| Symptoms | Misfire, MIL Lamp On |
| Occurs | Idle |
Trouble Codes
| P0300 | Multiple Misfire Detected |
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