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P0138 Diagnostic Trouble Code Discussion for January 2012

Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit High Voltage


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Trouble Ticket Help Requests for DTC P0138
Help Request Posted
2001 Nissan Maxima GLE 3.0L Poor Idle Quality VIN: JN1CA31D01
P0138: Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit High Input (Rich Shift). Replace IAC motor due to coolant contamination. Replaced PCM due to burned internal electrical failure. Physical damage to circuit board. Installed used PCM and new IAC motor. Does have fast idle at times when cold. Will not idle when warm. IAC goes fully clos...
January 05, 2012
2001 Nissan Maxima GLE 3.0L Poor Idle Quality VIN: JN1CA31D01
P0138: Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit High Input (Rich Shift). Replace IAC motor due to coolant contamination. Replaced PCM due to burned internal electrical failure. Physical damage to circuit board. Installed used PCM and new IAC motor. Does have fast idle at times when cold. Will not idle when warm. IAC goes fully clos...
January 05, 2012