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2009 Chevrolet Express 2500 6.0L Poor Idle Quality, Misfire, MIL Lamp on
This problem occurs intermittentently at idle. Seems worse after it gets hot while driving and returns to idle at stops. Its missfiring no.1 cylinder bad when this happens. No.5 missfire counter is around 6 and no.7 missfire counts are around 7. When this happ...
FIX posted 11/15/2010
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Message Closed w/FIX
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13 Replies Received
13 Replies Received
Related Documents & Media | VIN | 1GCGG25U84 |
| Engine | 6.0 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection / RETURNLESS ON DEMAND DESIGN |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Misfire, MIL Lamp On |
| Occurs | Hot, Idle, After a Hot Soak, Intermittently |
Trouble Codes
| P0172 | Fuel System Too Rich (Bank 1) |
| P0300 | Multiple Misfire Detected |
Message Closed w/FIX
Vehicle Data
2009 Chevrolet Express 2500
| VIN | 1GCGG25U84 |
| Engine | 6.0 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection / RETURNLESS ON DEMAND DESIGN |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Misfire, MIL Lamp On |
| Occurs | Hot, Idle, After a Hot Soak, Intermittently |
Trouble Codes
| P0172 | Fuel System Too Rich (Bank 1) |
| P0300 | Multiple Misfire Detected |
Video