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2004 GMC Sierra 1500 SLE 5.3L Poor Idle Quality, Misfire
This truck has a rough idle and a consistent misfire on #6 and a inconsistent misfire showing on #5. New wires & plugs, swapped coils with other cylinder with no change. There are TSBs for bad ground on head, alarm system interference, intake gaskets, cracked ...
FIX posted 5/13/2011
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Related Documents & Media | VIN | 2GTEK19T04 |
| Engine | 5.3 L / 8 cyl / FLEX |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Misfire |
| Occurs | Always, Idle |
Trouble Codes
| P0300 | Multiple Misfire Detected |
Message Closed
Vehicle Data
2004 GMC Sierra 1500 SLE
| VIN | 2GTEK19T04 |
| Engine | 5.3 L / 8 cyl / FLEX |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Misfire |
| Occurs | Always, Idle |
Trouble Codes
| P0300 | Multiple Misfire Detected |
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