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P0343 Diagnostic Trouble Code Discussion for July 2011

CMP Sensor Circuit High Voltage


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Trouble Ticket Help Requests for DTC P0343
Help Request Posted
2004 GMC Yukon SLE 5.3L Misfire, MIL Lamp on VIN: 1GKFK16T54
P0343: CMP Sensor Circuit High Voltage. Vehicle came in with the check engine light and hard starting. It had a bunch of codes so I cleared them and p0342 and p0200 came back as hard faults. Ive been chasing the p0342. I tested for the 12v supply to the injector as it was good . I probed the signal ...
July 08, 2011
2004 GMC Yukon SLE 5.3L Misfire, MIL Lamp on VIN: 1GKFK16T54
P0343: CMP Sensor Circuit High Voltage. Vehicle came in with the check engine light and hard starting. It had a bunch of codes so I cleared them and p0342 and p0200 came back as hard faults. Ive been chasing the p0342. I tested for the 12v supply to the injector as it was good . I probed the signal ...
July 08, 2011