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  1. Scirado

    The Official Jeep Wrangler JK Oxygen (O2) Sensor Thread

    One thing that I have noticed on the 02 sensors that I got from Mopar themselves the plugs you will have too grayish and 2 black. They will not interchange with each other. The difference is, if you're looking from the driver's seat in front of you on the upstream that harnessed plug will be the...