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Essentials For Performance

How To change o2 sensors (downstream) PIC HEAVY!!!

Discussion in 'Tech Info' started by VanoFord, Mar 15, 2012.

  1. VanoFord

    VanoFord Banned

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    So I swapped out the rear (downstream) o2 sensors on my truck yesterday. prolly will swap out the upstream in a few weeks, just to be new all over. as usual, i ordered my parts from Rockauto. I went w/ Motorcraft parts (they werent that much more than generics). I was pleased to see that they were shipped w/ anti-sieze already on the threads. the electrical connections are color coded so you can't put an upstream module into a downstream port. Purple is down stream. Grey is upstream. All I used was a crescent wrench. Make sure to disconnect your battery when swapping these out. Took me 20 min to swap both of these out. And onto the pics:

    Here are the plugs, w/ the driver side already removed.
    [​IMG]

    Driver side downstream o2 location:
    [​IMG]
    [​IMG]

    driver side downstream o2 electrical connection:
    [​IMG]

    driver upstream o2 sensor:
    [​IMG]

    passenger downstream o2 electrical connection:
    [​IMG]
    [​IMG]

    passenger downstream o2 sensor:
    [​IMG]
     
    Last edited: Feb 16, 2013
  2. iowaredneck

    iowaredneck Administrator Staff Member

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    :waytogo: nice write up thank you
     
  3. BlackThundah

    BlackThundah Aka LilWhiteFiddy

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    Yah nice write up man. Im not to shure my truck has 02 censors. :hmm:
     
  4. TxFx04

    TxFx04 FFS Frequent Traveler

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    it should have them lol 4 of them
     
  5. thegreatscott

    thegreatscott Junior Member

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    This is a great post mate, i also have this universal car oxygen sensors that i just recently bought and it has a manual. I wonder if this is compatible with my truck. They said that it is compatible when i asked them when im buying it.
     

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