P1271 Diagnostic Trouble Code Discussion for May 2012
Air Fuel Sensor (Bank 1 Sensor 1) Circuit No Activity
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| Help Request | Posted | |
| 2002 Chevrolet Trailblazer LT 4.2L MIL Lamp on, Won't accelerate P1271: Accelerator Pedal Position Sensor 1-2 Correlation. These 2 codes were in the system and wouldn't clear. Checked according to flow chart and it says the pedal position sensor is faulty. Replace sensor and problem still exists. When looking at pedal position sensor voltages one is at 4.96v and the other is at 5.... |
May 03, 2012 | |
| 2002 Chevrolet Trailblazer LT 4.2L MIL Lamp on, Won't accelerate P1271: Accelerator Pedal Position Sensor 1-2 Correlation. These 2 codes were in the system and wouldn't clear. Checked according to flow chart and it says the pedal position sensor is faulty. Replace sensor and problem still exists. When looking at pedal position sensor voltages one is at 4.96v and the other is at 5.... |
May 04, 2012 |
