Oxygen sensor sustain?

I need the portion # for a P0155 error on my 2003 Mitsubishi Montero Limited. Is it before the catalytic or after?

Looking for a home remedy for cleaning...



Answers:    P0155 02 Sensor Heater Circuit Malfunction (Bank 2 Sensor 1)
formerly the cat ther are 3 total on your car even though it say only1 replace the 2 befor the cat there supose to be replaced at 100,000 miles anyway and you will procure better milage

I enjoy some lucas tune up does...


I think it may be surrounded by the converter. Have you called the marketer parts department. They have diagrams of where on earth things are located.

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