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Which O2 sensor is this and the location. Want to replace as code is coming up, but not sure on the location. Code comes up as bank 1 sensor 2, o2 high voltage. Thanks
So I went under vehicle to locate the O2 sensors. On my 2003 Durango R/T. I can only find 2. One before and one after the resonator/Cat. Am I only supposed to have 2, and the code will still be for sensor coming after???