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P0131 Diagnostic Trouble Code Discussion for May 2013

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 Tracker 2.0L MIL Lamp on VIN: 2CNBJ13C72
P0131: O2 sensor sig low B1S1. ... service, young tech noticed bad brakes, axle, and 2 tires, but failed to realize the MIL lamp did not light in bulb test. aarrrggh! Cut to the chase... mil bulb burned out (how many hrs "on" would that take?) Three codes in memory... 1) P0131 upstr...
May 14, 2013
2002 Chevrolet Tracker 2.0L MIL Lamp on VIN: 2CNBJ13C72
P0131: O2 sensor sig low B1S1. ... service, young tech noticed bad brakes, axle, and 2 tires, but failed to realize the MIL lamp did not light in bulb test. aarrrggh! Cut to the chase... mil bulb burned out (how many hrs "on" would that take?) Three codes in memory... 1) P0131 upstr...
May 21, 2013
2002 Chevrolet Tracker 2.0L MIL Lamp on VIN: 2CNBJ13C72
P0131: O2 sensor sig low B1S1. ... service, young tech noticed bad brakes, axle, and 2 tires, but failed to realize the MIL lamp did not light in bulb test. aarrrggh! Cut to the chase... mil bulb burned out (how many hrs "on" would that take?) Three codes in memory... 1) P0131 upstr...
May 14, 2013
2002 Chevrolet Tracker 2.0L MIL Lamp on VIN: 2CNBJ13C72
P0131: O2 sensor sig low B1S1. ... service, young tech noticed bad brakes, axle, and 2 tires, but failed to realize the MIL lamp did not light in bulb test. aarrrggh! Cut to the chase... mil bulb burned out (how many hrs "on" would that take?) Three codes in memory... 1) P0131 upstr...
May 21, 2013