P1271 Diagnostic Trouble Code Discussion for March 2011
Air Fuel Sensor (Bank 1 Sensor 1) Circuit No Activity
Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.Trouble Ticket Help Requests for DTC P1271
| Help Request | Posted | |
| 2002 GMC Envoy SLT 4.2L MIL Lamp on, Reduced Power Light VIN: 1GKDT13S52 P1271: Accelerator Pedal Position Sensor 1-2 Correlation. I have replaced the APP connector and The Throttle Body connector. I have also load tested the wiring from the APP to the PCM and the Throttle Body to the PCM, the all carry a load using a headlight bulb and the voltage drop was .02V. I am leaning toward the P... |
March 25, 2011 |
