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2019 GMC Yukon XL Denali 6.2L Poor Idle Quality, Hesitation, MIL Lamp on
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...
FIX posted 7/10/2025
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Related Documents & Media | VIN | 1GKS2HKJ1K |
| Engine | 6.2 L / 8 cyl / FLEX |
| Trans | 1-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Hesitation, MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0340 | Camshaft Position Sensor 'A' (TDC) Circuit Intermittent |
| P0341 | Camshaft Position Sensor (TDC) 'A' Circuit No Signal |
Message Closed
Vehicle Data
2019 GMC Yukon XL Denali
| VIN | 1GKS2HKJ1K |
| Engine | 6.2 L / 8 cyl / FLEX |
| Trans | 1-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Hesitation, MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0340 | Camshaft Position Sensor 'A' (TDC) Circuit Intermittent |
| P0341 | Camshaft Position Sensor (TDC) 'A' Circuit No Signal |
Video