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2012 GMC Sierra 1500 SLT 5.3L Misfire, MIL Lamp on
Hello GMC fans and tech's, we have a miss on 4 that sets a code and light flashes, we swapped spark plugs, and then the coil, made sure both coil and injector were getting a signal from the ECM, swapped injector, did a compression test, also a engine runni...
Summary posted 9/10/2018
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Related Documents & Media | VIN | 3GTP2WE78C |
| Engine | 5.3 L / 8 cyl / FLEX |
| Trans | 6-speed Automatic (Electronic) |
| Delivery | Fuel Injection / MFI |
| Emissions | OBD-II Compliant |
| Symptoms | Misfire, MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0300 | Multiple Misfire Detected |
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Vehicle Data
2012 GMC Sierra 1500 SLT
| VIN | 3GTP2WE78C |
| Engine | 5.3 L / 8 cyl / FLEX |
| Trans | 6-speed Automatic (Electronic) |
| Delivery | Fuel Injection / MFI |
| Emissions | OBD-II Compliant |
| Symptoms | Misfire, MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0300 | Multiple Misfire Detected |
Video