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O2 sensor

Discussion in '1st Gen. Tacomas (1995-2004)' started by tlh178, Jan 29, 2011.

  1. Jan 29, 2011 at 6:24 AM
    #1
    tlh178

    tlh178 [OP] Well-Known Member

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    terry
    mich
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    02/taco/6cyl/AT- i looking too get a sensor, problem is one site says the densco 234-9001 is the one i need, when i go too another site it says, densco 234-9003. can anyone help me with this?
     
  2. Jan 29, 2011 at 6:38 AM
    #2
    shitroc

    shitroc Master of War

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    Ant
    New Brunswick, Canada
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    Listed in sig.......
    denso makes 2 different sensors for our trucks since we have 2 o2 sensors.we have one sensor in front of the cat and one in behind which one do you want to replace.
    [​IMG][​IMG]
     
  3. Jan 29, 2011 at 7:18 AM
    #3
    tlh178

    tlh178 [OP] Well-Known Member

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    i'm replacing both, i have ordered 234-4189. i just need too figure out which one is right. 9001 or 9003. 9003 should be for a manual tranny and 9001 should be for an auto? this amazon site says 9003 is for my truck, but i have an auto trans and that should be 234-9001? thanks for the quick reponse!
     
  4. Jan 29, 2011 at 7:39 AM
    #4
    malander

    malander That's some tight butthole

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    max
    Missouri
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    deck plate mod,jba cat back,bilstein 5100's,ome 883 springs, Allpro expos, allpro U-bolt flip kit, 10" Bilstien 5150 shocks, custom lower shock mounts
    Check rock auto they will be a little clearer as to what you need. I may be wrong but I'm pretty sure my sensor after the cat was the 9003
     
  5. Jan 29, 2011 at 7:56 AM
    #5
    bowyer2002

    bowyer2002 always tinkering

    Joined:
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    NE Missouri
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    01 Taco SR5 D-cab 4WD
    OME 882s, OME shocks all around and OME Dakar spring packs, ARB, Warn 8000, ARE shell, Custom rear bumper w/ reciever, 5-235/80R17 Cooper Discoverer ST MAXX on FJ wheels, grey wire mod, Hi-Lift, Hellas, Red-Line hood lifters, Scion radio, sliders, Safari snorkel & LED Ditch lights on CBI mounts.
    I just ordered the (front) Denso 234-9001 from Amazon and installed it 2 weeks ago and it has solved my CEL! (at 163K)
    I have the same truck 3.4 v6 2001 with an automatic tranny.
    FWIW
    a flexible box end ratcheting wrench (gearwrench) is helpful in getting the front O2 sensor off and on.
    and most people suggest ample amounts of PB Blaster to the studs and nuts with overnight soaking just in case things are rusted together.
    good luck as this is about a 30min job for the front sensor.
     
  6. Jan 29, 2011 at 8:35 AM
    #6
    tlh178

    tlh178 [OP] Well-Known Member

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    what was the size on the flexible box end wrench. i need too pick one up. i did check rock auto, it shows both numbers. both it does not say which one is for an auto and which one is for a manual. had too too some research tonite after work!!!!!!!
     
  7. Jan 29, 2011 at 8:53 AM
    #7
    bowyer2002

    bowyer2002 always tinkering

    Joined:
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    01 Taco SR5 D-cab 4WD
    OME 882s, OME shocks all around and OME Dakar spring packs, ARB, Warn 8000, ARE shell, Custom rear bumper w/ reciever, 5-235/80R17 Cooper Discoverer ST MAXX on FJ wheels, grey wire mod, Hi-Lift, Hellas, Red-Line hood lifters, Scion radio, sliders, Safari snorkel & LED Ditch lights on CBI mounts.
    I think it was a 12 or 13mm.
    I picked up a whole set of the gearwrench ratcheting flexible box ends on sale for about $40. You may find an Oreilly's or Autozone that loans tools if necessary.
    However, I justify buying tools by calling the dealership and seeing how much they'd charge to do an O2 change out and then pay myself with $$ or tools!
    The dealership wanted $213 for the O2 sensor and $40 labor to install it. I spent about $90 on the sensor and $40 on the tools so I am still $80 ahead AND have a set of wrenches!
    I cleaned the MAF too and doing both, it seemed that my truck ran better (seat of the pants evaluation).
    The 231-9001 is for the auto tranny.
     
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