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P0342 Diagnostic Trouble Code Discussion for October 2013

CMP Sensor Circuit Low Voltage


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Trouble Ticket Help Requests for DTC P0342
Help Request Posted
2001 GMC Sierra 3500 SL 8.1L MIL Lamp on VIN: 3GDKC34G11
P0342: CMP Sensor Circuit Low Voltage. I have this truck belongs to city street department. Cust complaint hard start intermittently, but more noticeable when hot. Got the condition to duplicate, sounded like timing way off. Ran camshaft 1X signal at PCM pin 73 (brn/wht) and started with a good 12 ...
October 23, 2013
2001 GMC Sierra 3500 SL 8.1L MIL Lamp on VIN: 3GDKC34G11
P0342: CMP Sensor Circuit Low Voltage. I have this truck belongs to city street department. Cust complaint hard start intermittently, but more noticeable when hot. Got the condition to duplicate, sounded like timing way off. Ran camshaft 1X signal at PCM pin 73 (brn/wht) and started with a good 12 ...
October 23, 2013