P0343 Diagnostic Trouble Code Discussion for October 2013
CMP Sensor Circuit High Voltage
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| Help Request | Posted | |
| 2001 GMC Sierra 3500 SL 8.1L MIL Lamp on VIN: 3GDKC34G11 P0343: CMP Sensor Circuit High 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 |
