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Thread: o2 sensor locations needed

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  1. #1

    o2 sensor locations needed

    Hi, does anyone happen to know the s answer to this P0431 Warm Up Catalyst Efficiency Below Threshold (Bank 2) refers to which oxygen sensor on a 2004 mitsubishi galant es 4 cylinder ? There are 5 o2 sensors and noone seems to know which one is the 1 I need..

  2. #2
    You are here entirely tooo much!! 9G's Avatar
    Join Date
    05-31-2005
    Posts
    4,735
    i think there is a service manual here for the 9g. not sure.

  3. #3
    universal sensor O2 - Bosch LS-07 № 0258986507 - 36Y. Right DENSO, on the left BOSCH.

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