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Thread: Eclipse 02 sensors???

  1. #1
    Join Date
    Feb 2009

    Question Eclipse 02 sensors???

    How many o2 sensors are in a 2002 mitsubishi eclipse? GT v6 3.0. How many are upstream and how many downstream? I thought 2 of each... I think I found another one?

  2. #2
    Join Date
    Jan 2007


    Hmmm . . .

    You should have an upstream (pre-cat) and a downstream (post-cat) O2 sensor for each cylinder bank. I can't find a reference to any more than that.

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