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2003 GMC Sierra 1500 SLE 5.3L Poor Idle Quality, Misfire, MIL Lamp on
GM misfire diagnosis - easy right? This one has my tech stumped. The customer came in asking for a fuel pressure test as he thought he had a bad pump - he said that ever since he ran it out of gas the truck has run rough. Pressure was within spec & engine was ...
FIX posted 12/6/2006
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Message Closed w/FIX
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Related Documents & Media | VIN | 2GTEK19T23 |
| Engine | 5.3 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, Runs Fine @ Idle After First Start Up |
Trouble Codes
| P0300 | Multiple Misfire Detected |
Message Closed w/FIX
Vehicle Data
2003 GMC Sierra 1500 SLE
| VIN | 2GTEK19T23 |
| Engine | 5.3 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, Runs Fine @ Idle After First Start Up |
Trouble Codes
| P0300 | Multiple Misfire Detected |
Video