P1271 Diagnostic Trouble Code Discussion for December 2012
Air Fuel Sensor (Bank 1 Sensor 1) Circuit No Activity
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| Help Request | Posted | |
| 2003 GMC Envoy SLT 4.2L reduced engine power VIN: 1GKDT13S13 P1271: Accelerator Pedal Position Sensor 1-2 Correlation. The P1271 blues: this vehicle has a history of setting P1271. It’s very intermittent and I have yet to duplicate it. By the time it arrives at the shop the sensors are working normally and the repair is to cycle the ignition key off and back on the get the red... |
December 03, 2012 | |
| 2003 GMC Envoy SLT 4.2L reduced engine power VIN: 1GKDT13S13 P1271: Accelerator Pedal Position Sensor 1-2 Correlation. The P1271 blues: this vehicle has a history of setting P1271. It’s very intermittent and I have yet to duplicate it. By the time it arrives at the shop the sensors are working normally and the repair is to cycle the ignition key off and back on the get the red... |
December 18, 2012 |
