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P1127 Diagnostic Trouble Code Discussion for July 2012

ETCS Actuator Power Source Circuit Malfunction


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Trouble Ticket Help Requests for DTC P1127
Help Request Posted
2004 Audi Allroad Quattro 4.2L Poor Idle Quality, Misfire, MIL Lamp on VIN: WA1YL64BX4
P1127: Bank 1 Mixture adaptation system too rich. Got this one Audi that has a dead misfire on Cylinder 1 and Misfires on cylinder 2 on cold start. Checked compression, 185-190 psi across the board. Ran fuel system cleaner through. Swapped plugs, coils, injectors, does not change cylinder. Checked for injecto...
July 27, 2012
2004 Audi Allroad Quattro 4.2L Poor Idle Quality, Misfire, MIL Lamp on VIN: WA1YL64BX4
P1127: Bank 1 Mixture adaptation system too rich. Got this one Audi that has a dead misfire on Cylinder 1 and Misfires on cylinder 2 on cold start. Checked compression, 185-190 psi across the board. Ran fuel system cleaner through. Swapped plugs, coils, injectors, does not change cylinder. Checked for injecto...
July 27, 2012