P1271 Diagnostic Trouble Code Discussion for February 2006
Air Fuel Sensor (Bank 1 Sensor 1) Circuit No Activity
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| Help Request | Posted | |
| 2002 Chevrolet Trailblazer LS 4.2L throttle VIN: 1GNDT13S02 P1271: Accelerator Pedal Position Sensor 1-2 Correlation. ... with fault codes (P1221 excessive difference between throttle position sensors, P1271 excessive difference between acceleator pedal position sensors, P1635 5v ref. A circuit) The first time when testing, fan clutch circui... |
February 18, 2006 |
