P1125 Diagnostic Trouble Code Discussion for July 2010
Accelerator Pedal Position System
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| Help Request | Posted | |
| 2005 GMC Sierra 2500 HD SLE 6.0L MIL Lamp on, rEDUCED pOWER VIN: 1GTHK24U05 P1125: Accelerator Position Sensor 1 and 2 Circuit Malfunction. ... 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 codes. Started checking grounds and ... |
July 22, 2010 |
