Lambda Low Profile Adapter?

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  • newsh
    S2Forum Obsessed
    • Aug 2003
    • 16226
    • Country: United Kingdom

    #1

    Lambda Low Profile Adapter?

    Anyone tried one of these? Do they work ok?

    My 034 DP has the lambda boss right under the airbox and I'm sick of it wearing through the wires

    Like this
    http://www.ebay.co.uk/itm/Lambda-Spa...item3a849295bc

    Or this
    http://www.ebay.co.uk/itm/UNIVERSAL-...item566df5a676
    Last edited by newsh; 11 January 2015, 21:40.

    S2 Coupe 3B Project


    Ur quattro restoration

    S2 Avant

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  • andy10v
    S2Forum Zealot
    • Mar 2009
    • 5996
    • Country: Scotland

    #2
    I thought people used lambda spacers when decatting pre/post cat lambda setups to stop the ecu throwing a code, which would make me think if it alters the reading enough its not a good idea on a lambda sensor you are actually using.
    Current-2004 Impreza PPP wagon

    Sold-92 3B coupe-RS2+, 996s, konis, rear torsen, forged rods........
    Sold ABY-stock

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    • newsh
      S2Forum Obsessed
      • Aug 2003
      • 16226
      • Country: United Kingdom

      #3
      Hmm, you may be right, that 120 degree one would work a treat..

      S2 Coupe 3B Project


      Ur quattro restoration

      S2 Avant

      Boost is the new rock and roll!
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      • K Simmonds
        S2Forum Zealot
        • Dec 2007
        • 7633
        • Country: Wales

        #4
        Yeah as Andy says I'm pretty sure lambda sensors have to be mounted fairly vertically to read correctly and prevent condensation damage. The 120 does look like it could work.
        1990 B3 2.0 80 quattro.
        1992 C4 2.8 Avant quattro
        1994 MTM RS2.
        1998 B5 TDI quattro Sport.
        2000 B5 TQS.

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        • andy10v
          S2Forum Zealot
          • Mar 2009
          • 5996
          • Country: Scotland

          #5
          Can you monitor lambda or fuel trim at idle in vag com? You could then try before and after?

          I dont think its a good idea, if it alters the reading enough that the ecu does not notice a missing cat.....

          Our cars use lambda on cruise and idle iirc?
          Current-2004 Impreza PPP wagon

          Sold-92 3B coupe-RS2+, 996s, konis, rear torsen, forged rods........
          Sold ABY-stock

          Comment

          • K Simmonds
            S2Forum Zealot
            • Dec 2007
            • 7633
            • Country: Wales

            #6
            Actually after looking at the photo's again I don't think I'd want to use either, I can't see how the sensor is going to read accurately when not in the main stream of exhaust gasses.
            1990 B3 2.0 80 quattro.
            1992 C4 2.8 Avant quattro
            1994 MTM RS2.
            1998 B5 TDI quattro Sport.
            2000 B5 TQS.

            Comment

            • newsh
              S2Forum Obsessed
              • Aug 2003
              • 16226
              • Country: United Kingdom

              #7
              Originally posted by K Simmonds
              Actually after looking at the photo's again I don't think I'd want to use either, I can't see how the sensor is going to read accurately when not in the main stream of exhaust gasses.

              That's what I was thinking, although the 120 deg one does have a bigger hole..

              Maybe I'll just cut a hole in the bottom of the airbox, or take the DP off and add another boss in the right place, was just looking for a lazy option

              S2 Coupe 3B Project


              Ur quattro restoration

              S2 Avant

              Boost is the new rock and roll!
              sigpic

              Comment

              • Monkeymagic
                S2Forum Possessed
                • Mar 2012
                • 3419
                • Country: England

                #8
                I've heathen loads for post cat lambdas as its a tell tale for cat performance. They work great for that purpose but will play haVic with pre cat

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