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Another O2 sensor thread... need help! (2003 2.7L 3RZFE)

Discussion in '1st Gen. Tacomas (1995-2004)' started by cch89135, Apr 8, 2013.

  1. Apr 8, 2013 at 10:18 PM
    #1
    cch89135

    cch89135 [OP] New Member

    Joined:
    Apr 8, 2013
    Member:
    #101691
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    Male
    Las Vegas, NV
    Vehicle:
    2003 PreRunner 2.7L
    I am in the process of freshening up my 2003 Tacoma PreRunner 2.7L.

    My next task is replacing the O2 sensor(s) and I need to know what parts I need...

    So far I have ordered a Denso #234-4189 and I need to know if I have to order one more of the same part. Or do I need the A/F Ratio sensor (Denso #234-9001)?

    Forgive me, I am new. I searched every thread before posting though.
     
  2. Apr 9, 2013 at 6:40 AM
    #2
    Taylor

    Taylor Wants to learn all about his Taco.

    Joined:
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    First Name:
    Taylor
    Lynchburg/Harrisonburg Virginia
    Vehicle:
    03 4x4 TRD SR5 College build
    Extra badges, painted skidplates, grey wire mod, Kenwood double-DIN headunit, pioneer amp, 12 inch MTX sub, playstation 2 under seat, Uniden CB with 5 foot Wilson 1000 antenna, deckplate mod, 4xinnovations sliders, diff breather mod, bilstein 5100s at all 4 corners, OME Dakar Leaves, BAMF BPV bracket, Wheelers greasable shackles,
    I do believe that's what you need, but don't quote me on that.
     
  3. Apr 9, 2013 at 10:57 AM
    #3
    cch89135

    cch89135 [OP] New Member

    Joined:
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    Gender:
    Male
    Las Vegas, NV
    Vehicle:
    2003 PreRunner 2.7L
    Anybody else know what parts are required? How many sensors? Which sensors?

    Thanks>
     
  4. Apr 22, 2013 at 4:37 PM
    #4
    crainholio

    crainholio Well-Known Member

    Joined:
    Sep 3, 2011
    Member:
    #62816
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    I had to buy the gasket separately but the parts store had it.
     
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