Lamda (air/fuel ration gauge) question?

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  • S2sedan
    S2Forum Enthusiast
    • Aug 2004
    • 189

    #16
    Sorry Can´t Help With It

    Regards Eduardo
    S2 Limo sold !!!
    M5 E34 with some mods in the garage
    sorry, but much happeir now !

    Comment

    • lynx
      S2Forum Enthusiast
      • Jan 2005
      • 125
      • Country: Estonia

      #17
      Originally posted by S2sedan
      Sorry Can´t Help With It

      Regards Eduardo
      thank You anyway

      Comment

      • Sir Buff
        S2Forum Enthusiast
        • May 2004
        • 127
        • Current: Switzerland

        #18
        @lynx
        I have the same gauge but I don't no how to install it (the cables).
        Can you tell me that please?
        http://www.audi90.ch

        Comment

        • lynx
          S2Forum Enthusiast
          • Jan 2005
          • 125
          • Country: Estonia

          #19
          Originally posted by Sir Buff
          @lynx
          I have the same gauge but I don't no how to install it (the cables).
          Can you tell me that please?
          witch gauge do You mean?

          Comment

          • Sir Buff
            S2Forum Enthusiast
            • May 2004
            • 127
            • Current: Switzerland

            #20
            The air/fuel gauge.
            http://www.audi90.ch

            Comment

            • lynx
              S2Forum Enthusiast
              • Jan 2005
              • 125
              • Country: Estonia

              #21
              Originally posted by Sir Buff
              The air/fuel gauge.
              there should be 3 wire.

              a) black - ground (-)
              b) red - +12V
              c) gray - info from lamdba (lambda black wire)

              that' s it

              Comment

              • Sir Buff
                S2Forum Enthusiast
                • May 2004
                • 127
                • Current: Switzerland

                #22
                Thank you lynx
                http://www.audi90.ch

                Comment

                • lynx
                  S2Forum Enthusiast
                  • Jan 2005
                  • 125
                  • Country: Estonia

                  #23
                  one more thing, +12V doesn't have to be permanet. I don' t and I think it's mean to be this way

                  Comment

                  • lynx
                    S2Forum Enthusiast
                    • Jan 2005
                    • 125
                    • Country: Estonia

                    #24
                    hi again,

                    I just tested other chip (witch provides +60KW/+99NM) and quess what. A/f gauge worked just fine, I mean, like it should be. Wierd, with other chip the a/f gauge shows other info. Ok, that' s show' s my lambda working just fine.

                    But about that other chip.
                    As that called, "turbo lag" - there isn' t any. I mean, engine runs 1000rpm-7000rpm smoothly. Maybe after 3500rmp or something like that, there's more power, but hardly noticed turbo lag.

                    With other chip, about 2500-2800rmp there strong acceleration, that I could feel it, I mean, turbo lag.

                    Unfortunately I both my car with Dupre chip and I don' t even have idea, how should original S2 run.

                    One more thing.
                    With other tuning chip, 4gear, gas pedal down and always 1,2 overboost. Not that kind wierd 1-1,6 bar overboost symptom.

                    Anyway, does anyone have experience with Dupre chips? I' ll tried to write them again, but seems that their e-mail aadress is not unavailable anyomore.

                    I one last time, does anyone have a idea, why temporarily stopped engine can overboost 0,6bar more, than normal(hot engine).

                    with best regards,

                    Comment

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