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02 Sensor

This is a discussion on 02 Sensor within the Computer & Tuning forums, part of the LSx Technical Help Section category; i have had my check engine light on... had a computer hooked up and its throwing 02 codes... is there ...

  1. #1
    Member ls1speedster's Avatar
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    black
    2002 trans am

    02 Sensor

    i have had my check engine light on...
    had a computer hooked up and its throwing 02 codes...

    is there anything i can do to fix it..or just buy new 02 sensors..
    are they before or after the cats...

    could this have a problem with a poor running car...
    isnt it a air/fuel deal?

    any advice would help..

  2. #2
    Member jag42420's Avatar
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    2002 WS6 Trans Am

    Which o2 codes?

  3. #3
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    Post the codes, might not be the 02's at all - could be doing their job and indicating something else, like a lean condition, bad cat, etc.

  4. #4
    Senior Member GULLETT17's Avatar
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    00 TA PWTR, 98 VertTA NBM
    80 TA BLK, 80 Formula NBM

    i just had a similar problem. . . my codes said error reading the front drivers side o2. i took it out this w/e and wire brushed it and spread open the fins a little. i think it fixed it, the ses went off today by itself without even clearing it
    2000 TA, A4, LS6 intake, Magnaflow, WS9 hood, BMR STB, UMI boxed SFC, Spohn LCA, 9" Ford
    1998 TA Vert,​ NBM, M6, Flowmaster, WS6 hood, WS6 airbox, C6 wheels, UMI SFC, BMR STB
    1998 Bird, Black, V6, A4, 18" 077's, Wings West Body Kit
    1980 Formula, NBM, 402BB, cam, DR timing, LT headers, 3" TD w/ flowmasters, TH350
    1980 TA, Black, 301, bone stock

  5. #5
    Member ls1speedster's Avatar
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    black
    2002 trans am

    ill have to throw a computer back on it..
    but ill repost when i get the codes..

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