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O2 sensor plug mystery

Discussion in '3rd Gen 4Runners (1996-2002)' started by Ramona The 4Runner, Nov 9, 2020.

  1. Nov 9, 2020 at 7:54 PM
    #1
    Ramona The 4Runner

    #1
    Ramona The 4Runner [OP] New Member

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    2000 SR5 automatic with 200k miles.

    Throwing bank 1 sensor 1. Upstream O2 sensor.

    Ordered the part from Rock Auto. It arrives. Plug doesn't match (pic attached). Go to AutoZone and they confirm that the part I got is supposedly the right one. They guy tries looking for answers but all he finds is plugs that appear to match, but are for other model years/transmission/drivetrains
    Any ideas?

    20201109_223501.jpg
     
    Ramona The 4Runner, Nov 9, 2020
    #1
  2. Nov 10, 2020 at 8:34 AM
    #2
    negusm

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    negusm New Member

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    Call your dealer with you vin. Some cars got 02 sensors and some got A/F sensors. The dealer will know and give you the correct part number.

    Also do NOT buy aftermarket O2 sensors. They don't work for crap.
     
    negusm, Nov 10, 2020
    #2
    Clutchplate likes this.
  3. Nov 10, 2020 at 9:00 AM
    #3
    Clutchplate

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    Clutchplate New Member

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    I bought my Denso 02 sensors off Amazon. They were only about $50.
     
    Clutchplate, Nov 10, 2020
    #3
  4. Nov 30, 2020 at 6:57 AM
    #4
    Ramona The 4Runner

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    Ramona The 4Runner [OP] New Member

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    Repairs: Front upper and lower ball joints @ 198k Ignition switch and assembly @200k (following attempted theft) Valve cover gaskets @ 202k Timing belt @202k Custom work: Sleeping platform/storage system 2-way VHF/UHF radio Coming up: Replace rack and bushings Replace sway bar and linkages/bushings Frame treatment Front and rear bumper replacement (offroad) Solar/second battery
    You were spot on. Turns out it's a CA emissions truck. Weirdly enough, it's just a different NTK OEM sensor. Toyota and Autozone list it for $350-370. Rock Auto lists it for $157. Same. Damned. Part. ‍♂️
     
    Ramona The 4Runner, Nov 30, 2020
    #4
  5. Nov 30, 2020 at 9:17 AM
    #5
    negusm

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    negusm New Member

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    Glad to help. As long as you can source the OEM supplier...you should be getting a good one. Part number?
     
    negusm, Nov 30, 2020
    #5
  6. Nov 30, 2020 at 1:26 PM
    #6
    Ramona The 4Runner

    #6
    Ramona The 4Runner [OP] New Member

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    Ben
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    2000 Black 4Runner SR5
    Repairs: Front upper and lower ball joints @ 198k Ignition switch and assembly @200k (following attempted theft) Valve cover gaskets @ 202k Timing belt @202k Custom work: Sleeping platform/storage system 2-way VHF/UHF radio Coming up: Replace rack and bushings Replace sway bar and linkages/bushings Frame treatment Front and rear bumper replacement (offroad) Solar/second battery

    89467-35011 is the correct part per Toyota.
     
    Ramona The 4Runner, Nov 30, 2020
    #6
  7. Dec 3, 2020 at 10:34 AM
    #7
    gretzky2857

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    gretzky2857 New Member

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    gretzky2857, Dec 3, 2020
    #7
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