o2 sensor help

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  • s2martyn
    Banned
    • Apr 2008
    • 408
    • Country: United Kingdom

    #1

    o2 sensor help

    i am trying to fit a afr gauge ,does anyone know which is the signal wire to the ecu ,as this is the one i need to conect into..any help appreciated as i cannot read wiring diagrams.
    on the lambda sensor there are 3 wires,2 white and 1 black on its own with a spade connector ,thanks martyn
  • S2central.net
    Retired OG Mod
    • Jul 2003
    • 16590
    • Country: Northern Ireland

    #2
    The signal wire is the spade on its own...

    The two-pin connector is fused 12V feed and ground 0V - easily verified with a 12V bulb and the ignition ON.

    Are you hooking up a wideband or narrowband guage here ?
    Paul Nugent
    Webmaster http://S2central.net
    Administrator http://S2forum.com

    1994 S2 Coupe ABY - aka Project Lazarus
    2001 A6 allroad 2.5TDi - family tank
    2003 S4 Avant 4.2 V8 - daily burble

    Purveyor of HomeFries and Exclusive agent for Samco hose kits (S2/RS2)

    There are only 10 kinds of people that understand binary - those that do, and those that don't

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    • s2martyn
      Banned
      • Apr 2008
      • 408
      • Country: United Kingdom

      #3
      thanks paul.i didnt want to connect to the wrong one..narrow band i think(wil check)

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      • S2central.net
        Retired OG Mod
        • Jul 2003
        • 16590
        • Country: Northern Ireland

        #4
        Be interested to see how accurate that is - WBo2 guages are much more reactive, and expensive... but a cheap and cheerful one might be a nice way to keep an eye on mixture without costing the earth and bringing lots of baggage.
        Paul Nugent
        Webmaster http://S2central.net
        Administrator http://S2forum.com

        1994 S2 Coupe ABY - aka Project Lazarus
        2001 A6 allroad 2.5TDi - family tank
        2003 S4 Avant 4.2 V8 - daily burble

        Purveyor of HomeFries and Exclusive agent for Samco hose kits (S2/RS2)

        There are only 10 kinds of people that understand binary - those that do, and those that don't

        Comment

        • s2martyn
          Banned
          • Apr 2008
          • 408
          • Country: United Kingdom

          #5
          its only a cheap one for now,prosport,i just wanted to keep on eye on things whilst running in,i bought it together with egt gauge..will be replacing them for better itemswhen funds allow,i have spent sooo much on this project

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