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P0131 Diagnostic Trouble Code Discussion for September 2004

Air Fuel Sensor (Bank 1 Sensor 1) Circuit Low Input (Lean Shift)

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Trouble Ticket Help Requests for DTC P0131
Help Request Posted
1996 Volvo 850 Turbo 2.3L MIL Lamp on VIN: YV1LS5728T
P0131: 02 low volt B1/S1. ... for the mil light on, checked codes with our Genesey scanner and found codes P0131 02 low [...]/S1 and P0137B 02 sensor B1/S2 low volt. The test for these in alldata for 02 sensors are very vague. I did how ever found th...
September 24, 2004