
2008 Pontiac Grand Prix 3.8L Poor Idle Quality, Surge, Cuts out, Stall, MIL Lamp on
impossible to clear those codes. APP2 circuit operates normal from 0% to 100%, But APP1 stock at 100% shows no response to throttle.
FIX posted 9/25/2017
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VIN | 2G2WP55288 |
Engine | 3.8 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection / P1125,2120,2125,2138 |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, Surge, Cuts Out, Stall, MIL Lamp On |
Occurs | Always, Idle |
Trouble Codes
P1125 | TP Sensor 1 Circuit Malfunction |
P2120 | Accelerator Pedal Position Sensor 1 Circuit Plausibility |
P2125 | Accelerator Pedal Position Sensor 2 Circuit Plausibility |
P2138 | Accelerator Pedal Position Sensor 1/2 Incorrect Voltage Correlation |
Message Closed w/FIX
Vehicle Data
2008 Pontiac Grand Prix
VIN | 2G2WP55288 |
Engine | 3.8 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection / P1125,2120,2125,2138 |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, Surge, Cuts Out, Stall, MIL Lamp On |
Occurs | Always, Idle |
Trouble Codes
P1125 | TP Sensor 1 Circuit Malfunction |
P2120 | Accelerator Pedal Position Sensor 1 Circuit Plausibility |
P2125 | Accelerator Pedal Position Sensor 2 Circuit Plausibility |
P2138 | Accelerator Pedal Position Sensor 1/2 Incorrect Voltage Correlation |