where do you hook up Air fuel ratio gauge to??? - FirebirdV6.com/CamaroV6.com Message Board

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where do you hook up Air fuel ratio gauge to???

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  • where do you hook up Air fuel ratio gauge to???

    I tried a few placed on the PCM, no luck unless im tapping off the wrong wire, the only o2 sensor I could see is after the cat, and I didnt want to hook it up to just one of the sensors on the manifolds, am I gonna have to buy another o2 and weld it in there?...I really dont want to if I can run it right off of the PCM, ive been trying ot hook it up to the bank 2 sensor as according to the PCM pinouts on the board...any help would be appreciated

    "Money can't buy me happiness, but I'm happiest when I can buy what I want"
    05' CTS-V
    00' Camaro - SOLD :(

  • #2
    Tapping into the PCM is not recommended. You're supposed to tap into the O2 sensor before the cat. If you get under your car, on the drivers side exhaust manifold you can see it chillin' up there. Splice into the blue wire. There are 4 wires leading to the sensor because it's a self-heated sensor. You can use a Scotchloc to splice into it, but be careful you don't cut the wire. Splicing into the PCM= NO!!!
    Nitrous is like a hot chick with an STD....you wanna hit it, but you\'re affraid of the consequences...<br /><br /> <a href=\"http://www.cardomain.com/member_pages/view_page.pl?page_id=244935\" target=\"_blank\">http://www.cardomain.com/member_pages/view_page.pl?page_id=244935</a>

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    • #3
      <blockquote>quote:</font><hr>Originally posted by kahouna23:
      Tapping into the PCM is not recommended. You're supposed to tap into the O2 sensor before the cat. If you get under your car, on the drivers side exhaust manifold you can see it chillin' up there. Splice into the blue wire. There are 4 wires leading to the sensor because it's a self-heated sensor. You can use a Scotchloc to splice into it, but be careful you don't cut the wire. Splicing into the PCM= NO!!!<hr></blockquote>

      eh.. after the many attempts at splicing into the PCM I broke down and bought a simple 1 wire O2 sensor, my car only has 3 sensors, left manifold right manifold, after cat, so I had one welded in and it works just fine now....thx anyways ;)

      "Money can't buy me happiness, but I'm happiest when I can buy what I want"
      05' CTS-V
      00' Camaro - SOLD :(

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      • #4
        Get some pacesetter headers...there is an extra bung for an O2 sensor. You could get a dedicated sensor just for your AF gauge.
        <a href=\"http://www.onid.orst.edu/~waltejam/\" target=\"_blank\">98 Bright Red Camaro</a><br />Too many mods to list....check my website

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        • #5
          <blockquote>quote:</font><hr>Originally posted by speedy-v6-camaro:
          Get some pacesetter headers...there is an extra bung for an O2 sensor. You could get a dedicated sensor just for your AF gauge.<hr></blockquote>

          thats what I did ;)

          "Money can't buy me happiness, but I'm happiest when I can buy what I want"
          05' CTS-V
          00' Camaro - SOLD :(

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