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more oxygen sensor help

This is a discussion on more oxygen sensor help within the General Help forums, part of the LSx Technical Help Section category; ..........got my new denso oxygen sensor......dunno what happened, but the wires are about 6 to 8 inches short......im guessing i ...

  1. #1
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    2002 camaro

    more oxygen sensor help

    ..........got my new denso oxygen sensor......dunno what happened, but the wires are about 6 to 8 inches short......im guessing i can cut the wires from my old one and butt connect them onto the new one ?......correct me if im wrong.... thanx

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    Senior Member 98maro's Avatar
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    Black
    00 camaro ss M6 #6695

    I was told that you cBt cut the cable on the oxygen sensors
    Bad idea. Buy some extensions
    00 ss blk m6 " STOCK" strano springs, slp bilstein shocks, adj LCA, adj panhard bar, relocation brackets, 2 point SFCs welded,OEM zo6 rims black, magnaflow exhaust, CME exhaust,E/cutout, slp grille, custom front plate mount, HIDs, whistler mod, side moldings delete, slp air lid, ported and polished TB, strut tower brace, 3.73s gears, and some other parts to list!
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    Veteran 0rion's Avatar
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    98 Formula
    06 duramax

    do you have headers and what is the part number of the denso's?

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    i do NOT have headers....and the part # is 234-4087.......it said pre- cat right

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    Veteran 0rion's Avatar
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    how long is the harness on that? Going by memory but the stock harness itself is only about 6-8" long.....been a while since I've messed with stock sensors but that's going by memory. When you compare it to the front sensor harness it comes up that much short? Like I say, been a while since I've seen stock sensors.

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    im gonna say the stock sensor is about a foot long ( the wire part) and the new sensor is approx. 4 inches too short.......could i have gotten the wrong sensor I.E. the passenger side instead of the drivers side?

  7. #7
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    98 Formula
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    denso lists that as the pre-cat right which would be the passenger side. Whatever you do try not to splice wires.....people have created some real headaches for themselves doing that. You can either send it back for the correct sensor or buy a premade extension.

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    ok , thanks Orion....ill just buy the pre cat left....and change them both out.

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    Junior Member ws66sw's Avatar
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    black
    00 formula ws6

    old thread, but may be useful

    2000 ws6 formula failed smog, codes indicated that the 02 sensors were bad. I went with denso

    part # 234-4025 there are 3 of these
    " 234-4087 " " 1

    4087......12.2" wires
    4025......16.54" "

    went all thru the internet, conflicting info on whether upstream, downstream, right, left, etc.

    common sense says that if they are the same part numbers, what difference does it make

    4025... location exhaust pipes
    4087... after catalytic converter

    conflicting info... 4025 says upstream pre-cat left on some sites, downstream on others
    " " 4087 says upstream, pre-cat right on some sites, upstream on others

    my point is what difference does it make if 3 of them have the same part number and same length, while the other one has a longer length. just take them out and compare them, put the longer one where the longer one is on the car, put the other three where they are on the car.

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