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2012 GMC Sierra 1500 SLE 5.3L Hesitation, MIL Lamp on
As soon as the engine runs for 5 plus minutes it starts to misfire on # 5 cylinder and has poor accelleration, We have tried new plugs, wires, Known good injector & coil, Static & running compression is good [same on all 8 cylinders- 195 psi] Leak down tes...
FIX posted 7/16/2018
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Message Closed w/FIX
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17 Replies Received
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Related Documents & Media | VIN | 1GTR2TE02C |
| Engine | 5.3 L / 8 cyl / FLEX |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | Hesitation, MIL Lamp On |
| Occurs | Hot, on Accel, Idle |
Trouble Codes
| P0300 | Multiple Misfire Detected |
| P0305 | Cylinder 5 Misfire Detected |
Message Closed w/FIX
Vehicle Data
2012 GMC Sierra 1500 SLE
| VIN | 1GTR2TE02C |
| Engine | 5.3 L / 8 cyl / FLEX |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | Hesitation, MIL Lamp On |
| Occurs | Hot, on Accel, Idle |
Trouble Codes
| P0300 | Multiple Misfire Detected |
| P0305 | Cylinder 5 Misfire Detected |
Video