P1271 Diagnostic Trouble Code Discussion for November 2005
Air Fuel Sensor (Bank 1 Sensor 1) Circuit No Activity
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| Help Request | Posted | |
| 2002 GMC Envoy SLE 4.2L No Start, Stall VIN: 1GKDT13S12 P1271: Accelerator Pedal Position Sensor 1-2 Correlation. vehicle was hauled in for no start. customer stated that the check engine light was on for 1 day, the next day it would'nt start. vehicle will run with motor vac supply line hooked to fuel rail at 52 psi. replaced fuel pump, vehicle will start and run for 5 se... |
November 22, 2005 |
