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2000 GMC Sierra 1500 SL 5.3L Misfire, MIL Lamp on
Engine misfire #7 cylinder. Fuel pressure is fine. Tried swapping plug, coil & plug wire. Had converters checked at exhaust shop. Sometimes backfires under load. Cleaned injectors & problem went away for about 20 miles of driving. Read a service bulletin for w...
FIX posted 8/7/2005
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Message Closed w/FIX
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Related Documents & Media | VIN | 1GTEK19T9Y |
| Engine | 5.3 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / SEFI |
| Emissions | OBD-II Compliant |
| Symptoms | Misfire, MIL Lamp On |
| Occurs | On Accel, Idle |
Trouble Codes
| P0300 | Multiple Misfire Detected |
Message Closed w/FIX
Vehicle Data
2000 GMC Sierra 1500 SL
| VIN | 1GTEK19T9Y |
| Engine | 5.3 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / SEFI |
| Emissions | OBD-II Compliant |
| Symptoms | Misfire, MIL Lamp On |
| Occurs | On Accel, Idle |
Trouble Codes
| P0300 | Multiple Misfire Detected |
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