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Denso 234-9001 Bank1 O2 sensor question

Discussion in '1st Gen. Tacomas (1995-2004)' started by Caslon, Aug 27, 2023.

  1. Aug 27, 2023 at 12:29 PM
    #1
    Caslon

    Caslon [OP] Well-Known Member

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    2003 Base Cab. 2 whl drive. 5 speed
    Looked in vain for whether it’s for automatic transmissions only or manual 5 speeds too. 2003 Tacoma base cab 2.4L manual transmission. BTW, Auto Zone wants $189 when Amazon and other reputable online sites have the same for $80+ less! (???).
     
  2. Aug 27, 2023 at 1:24 PM
    #2
    tacoman2001$

    tacoman2001$ Well-Known Member

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    I would only get denso 02 sensors. They are closer to $200. Are you looking for upstream or downstream? the only difference is length so If you measure the length of the old one you can line it up. You'll also want 2 new nuts as they are all rusted on.
     
  3. Aug 27, 2023 at 1:38 PM
    #3
    Sicyota04

    Sicyota04 Slowly but surely.

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    California
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    https://www.densoautoparts.com/#searchResults
     
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  4. Aug 27, 2023 at 2:51 PM
    #4
    Caslon

    Caslon [OP] Well-Known Member

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    2003 Base Cab. 2 whl drive. 5 speed
    Last edited: Aug 27, 2023
    Sicyota04[QUOTED] likes this.
  5. Aug 28, 2023 at 3:29 PM
    #5
    1blink

    1blink Well-Known Member

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    Storm Mtn, CO
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    2000 3.4 manual SR5
    I'd avoid Amazon and Ebay for these, lots of counterfeit O2 sensors
     
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    #5
  6. Aug 28, 2023 at 4:54 PM
    #6
    Bob12321

    Bob12321 Well-Known Member

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    I replaced my downsream first 80 bucks....not fixed then replaced upstream $180 not fixed then i bought a 175 dollar cat off ebay no more codes.....hopefully you dont have my luck. You can go to advanced auto parts they have a fancy scan tool that will tell you if you have a bad 02 sensor. I found this out after i installed the new ones. My truck is 03 tacoma with 321k and all that stuff was original equip
     
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    #6

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