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2006 Hummer H3 3.5L Poor Idle Quality, Misfire, MIL Lamp on
I am having trouble finding a definitive answer to why this vehicle has a misfire on cyl #2 at an idle. The code I have is for a random misfire but watching it on the modis shows cyl #2 missing all the time at an idle. I swapped the ignition coils, swapped the...
FIX posted 11/10/2012
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Related Documents & Media | VIN | 5GTDN13636 |
| Engine | 3.5 L / 5 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Misfire, MIL Lamp On |
| Occurs | Idle |
Trouble Codes
| P0128 | Cooling System Malfunction |
| P0300 | Multiple Misfire Detected |
Message Closed
Vehicle Data
2006 Hummer H3
| VIN | 5GTDN13636 |
| Engine | 3.5 L / 5 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Misfire, MIL Lamp On |
| Occurs | Idle |
Trouble Codes
| P0128 | Cooling System Malfunction |
| P0300 | Multiple Misfire Detected |
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