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P0305 Diagnostic Trouble Code Discussion for July 2018

Cylinder 5 Misfire Detected


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Trouble Ticket Help Requests for DTC P0305
Help Request Posted
2012 GMC Sierra 1500 SLE 5.3L Hesitation, MIL Lamp on VIN: 1GTR2TE02C
P0305: testing and results. 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 ...
July 13, 2018