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  1. #1

    Join Date
    Jul 2005
    Miami, fl

    When do you know and a/r o2 sensor is bad?

    Would it read lean or rich?

  2. #2
    speedskixp's Avatar
    Join Date
    Feb 2008
    venice fl.
    The ones I have seen go bad ussualy read crazy lean #s like in the 30s. When it does that you know its bad. Also when my last one went bad it would not calibrate and would not show any numbers.

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