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2005 GMC Sierra 2500 HD SLE 6.0L MIL Lamp on, rEDUCED pOWER
Truck can to the shop under reduced power, With codes P1125 and P2120. After testing circuits, replaced throttle body and accelerator pedal with factory parts. Truck ran fine for two weeks. Now truck has come back with reduced power again showing the same code...
FIX posted 9/3/2010
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Message Closed w/FIX
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6 Replies Received
6 Replies Received
Related Documents & Media | VIN | 1GTHK24U05 |
| Engine | 6.0 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection / sefi |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp on, Reduced Power |
| Occurs | Always, Intermittently |
Trouble Codes
| P1125 | TP Sensor 1 Circuit Malfunction |
| P2120 | Accelerator Pedal Position Sensor 1 Circuit Plausibility |
Message Closed w/FIX
Vehicle Data
2005 GMC Sierra 2500 HD SLE
| VIN | 1GTHK24U05 |
| Engine | 6.0 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection / sefi |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp on, Reduced Power |
| Occurs | Always, Intermittently |
Trouble Codes
| P1125 | TP Sensor 1 Circuit Malfunction |
| P2120 | Accelerator Pedal Position Sensor 1 Circuit Plausibility |
Video