P0340 Diagnostic Trouble Code Discussion for May 2025
CMP Sensor Circuit Malfunction
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| Help Request | Posted | |
| 2019 GMC Yukon XL Denali 6.2L Poor Idle Quality, Hesitation, MIL Lamp on VIN: 1GKS2HKJ1K P0340: Camshaft Position Sensor Circuit - Malfunction. Cam and lifters replaced, timing chain replaced, cam sensor replaced, ECM programmed for DOD delete. Code is constant, and long crank time, but will not idle with sensor connected, but will idle rough with it disconnected, my concern is should there be 5 v... |
May 28, 2025 |
