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1995 Tacoma O2 sensors

Discussion in '1st Gen. Tacomas (1995-2004)' started by 808curley, Jun 4, 2024.

  1. Jun 4, 2024 at 12:31 AM
    #1
    808curley

    808curley [OP] New Member

    Joined:
    Jun 4, 2024
    Member:
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    Gender:
    Male
    Vehicle:
    1995 Tacoma 4x4 3.4L Extra Cab
    How many O2 sensors are on a 3.4L 95 Tacoma? I’ve seen varying responses and don’t want to order 2 if I only need 1. Looking at Denso sensors on rock auto.

    Kind of a dumb question but I can’t find anything to answer my question and am away from home so can’t just look at my truck. Trying to order parts to fix some minor issues once I’m home. Appreciate any input.
     
    Last edited: Jun 4, 2024
  2. Jun 4, 2024 at 3:03 AM
    #2
    undisider

    undisider Member

    Joined:
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    First Name:
    Nathaniel
    Vehicle:
    2x 99 tacos
    one "stock" TRD one lifted/locked, supercharged SR5
    There are 2 O2 sensors on these trucks the issue you are having should dictate which one you need to replace
     
  3. Jun 4, 2024 at 5:37 AM
    #3
    Fatal_Paradox

    Fatal_Paradox Well-Known Member

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    Bardstown, KY
    Vehicle:
    2003 Tacoma DC 4x4 01 Tacoma 2.4 5lug
    33's Bedliner Nerf Bars (Custom)
    on a 95 you should only have one 02 sensor in the front. you wont have a rear one. I think the trucks didnt come with two o2 sensors until the cali emissions started in the 01 - 04 trucks.
     
  4. Jun 4, 2024 at 6:35 AM
    #4
    ChinoXL

    ChinoXL Well-Known Member

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    Vehicle:
    95 Tacoma V6 MT 4x4 Xtracab
    I have a 1995.5 5VZFE Tacoma. There are two O2 sensors, one in front of CAT and one rear, easily visible from beneath the vehicle. The front’s electrical connector is above the transmission and is tough to access through your shifter boot. The rear is readily accessible.
     
  5. Jun 4, 2024 at 10:09 AM
    #5
    Fatal_Paradox

    Fatal_Paradox Well-Known Member

    Joined:
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    Gender:
    Male
    Bardstown, KY
    Vehicle:
    2003 Tacoma DC 4x4 01 Tacoma 2.4 5lug
    33's Bedliner Nerf Bars (Custom)
    So, you dont have two cats then right? Maybe thats the difference between the two.
     
    ChinoXL[QUOTED] likes this.
  6. Jun 4, 2024 at 4:23 PM
    #6
    ChinoXL

    ChinoXL Well-Known Member

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    Vehicle:
    95 Tacoma V6 MT 4x4 Xtracab
    That is correct only one Cat
     

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