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P1138 Diagnostic Trouble Code Discussion for September 2011

Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit High Voltage During Decel Fuel Cutoff

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Trouble Ticket Help Requests for DTC P1138
Help Request Posted
2000 Audi A6 2.8L MIL Lamp on VIN: WAUBH64B3Y
P1138: Fuel trim bank ii system too lean inter. Back in two times for heater code left fwd sensor. I can not find out what the computer is looking for in this heater. I thought it was just resistance of heater i must be wrong. Did run heater and oxy monitors the first time. Another question rear oxysensors ...
September 21, 2011