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2003 Hummer H2 6.0L Poor Idle Quality, Misfire, MIL Lamp on
well guys i need help with another head scratcher! this vehicle has multiple mis-fires on all the cylinders on the left bank. but only under load. at idle it only has mis-fire on cylinder #1. i've tried plugs and wires, i've switched coils and injectors, teste...
FIX posted 4/16/2007
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Related Documents & Media | VIN | 5GRGN23U23 |
| 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, Under Load, Idle |
| Misc. | Super Charged |
Trouble Codes
| P0300 | Multiple Misfire Detected |
Message Closed w/FIX
Vehicle Data
2003 Hummer H2
| VIN | 5GRGN23U23 |
| 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, Under Load, Idle |
| Misc. | Super Charged |
Trouble Codes
| P0300 | Multiple Misfire Detected |
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