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P0161 Diagnostic Trouble Code Discussion for June 2018

Heated Oxygen Sensor (Bank 2 Sensor 2) Heater Performance


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Trouble Ticket Help Requests for DTC P0161
Help Request Posted
2003 Mitsubishi Montero Limited 3.8L Lean both banks VIN: JA4NW51S13
P0161: Heated Oxygen Sensor (Bank 2 Sensor 2) Heater Circuit Malfunction. I have a vacuum leak on the center section of this manifold at the front end of the butterfly shaft. Mits. only sells this as a complete assembly with actuator etc. for $800. This seems a waste of money and materials for what is just a seal of some sort. ...
June 04, 2018