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2003 GMC Envoy XL SLT 5.3L Misfire, MIL Lamp on
I have a 2003 gmc envoy denali with a 5.3 liter. Truck came in with a p0300 code. Looking at the misfire counter #5 cyl had aver 15,000 misfires with all other cylinders in the teens. I have swapped the coil,plug and injecters with other cylinders but the prob...
FIX posted 1/29/2011
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Related Documents & Media | VIN | 1GKES63M58 |
| Engine | 5.3 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection / SEFI |
| Emissions | OBD-II Compliant |
| Symptoms | Misfire, MIL Lamp On |
| Occurs | Intermittently |
| Misc. | Denali |
Trouble Codes
| P0300 | Multiple Misfire Detected |
Message Closed
Vehicle Data
2003 GMC Envoy XL SLT
| VIN | 1GKES63M58 |
| Engine | 5.3 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection / SEFI |
| Emissions | OBD-II Compliant |
| Symptoms | Misfire, MIL Lamp On |
| Occurs | Intermittently |
| Misc. | Denali |
Trouble Codes
| P0300 | Multiple Misfire Detected |
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