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P0131 Diagnostic Trouble Code Discussion for January 2006

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
2002 Chevrolet Tahoe LS 5.3L Excessive Emissions, Poor Idle Quality, Misfire, MIL Lamp on VIN: 1GNEK13Z72
P0131: Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Low Voltage. hello this 02 tahoe is a flex fuel truck ,it came to us running very rough and blowing black smoke . I pulled codes and it had the codes ,I posted up top 1,3 5 7 cyl mis all on bank 1 .We did a smoke test for intake leak none found , checked fuel pressure seem...
January 10, 2006
2002 Chevrolet Tahoe LS 5.3L Excessive Emissions, Poor Idle Quality, Misfire, MIL Lamp on VIN: 1GNEK13Z72
P0131: Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Low Voltage. hello this 02 tahoe is a flex fuel truck ,it came to us running very rough and blowing black smoke . I pulled codes and it had the codes ,I posted up top 1,3 5 7 cyl mis all on bank 1 .We did a smoke test for intake leak none found , checked fuel pressure seem...
January 10, 2006