ECU clicking, car juddering and stalling

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  • Matt_D
    S2Forum Maniac
    • Dec 2004
    • 515
    • Country: United Kingdom

    #16
    Just pulled codes 1111 from the ECU which i understand from a search could be from a bad earth or the ecu is fubar
    '95 ABY Avant - Sold
    '98 B5 S4 -MRC400+ = 464ps 741nm

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

      #17
      Thats more like bad supply, bad earth or bad ECU...

      Could be a flaky connection somewhere. Nature of that isn't likely to damage another ECU, so maybe best to try another ECU and see what that does for you.

      If problem points at ECU then I can have a look at it - fixed a few in my time - usually the odd dry joint or failed protection components.
      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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      • Knight Rider S4
        S2Forum Possessed
        • Mar 2005
        • 3541
        • Country: Scotland

        #18
        Originally posted by S2central.net

        Dunno what this 'limiter' is that KnightRIder talks about - no phooking idea what medication he is taking LOL

        .

        The good stuff mate ..something i read on Audiworld i am sure ..or was it just a dream
        93 S2 Avant Parting
        91 URQ RR
        02 A4 tdi Avant

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        • Knight Rider S4
          S2Forum Possessed
          • Mar 2005
          • 3541
          • Country: Scotland

          #19
          Scroll down 130mph limiter

          Audi Performance Tuner. Audi Turbo & V-8 Engine Computers Modified & Reprogrammed. Audi Performance Parts. Audi Troubleshooter & Consultant
          93 S2 Avant Parting
          91 URQ RR
          02 A4 tdi Avant

          Comment

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

            #20
            Speed limiter - LOL - US nanny states only mon amigo... Keep taking zee tablets.

            Paul
            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

            • Knight Rider S4
              S2Forum Possessed
              • Mar 2005
              • 3541
              • Country: Scotland

              #21
              Originally posted by S2central.net
              Speed limiter - LOL - US nanny states only mon amigo... Keep taking zee tablets.

              Paul
              93 S2 Avant Parting
              91 URQ RR
              02 A4 tdi Avant

              Comment

              • Matt_D
                S2Forum Maniac
                • Dec 2004
                • 515
                • Country: United Kingdom

                #22
                Originally posted by S2central.net
                Thats more like bad supply, bad earth or bad ECU...

                Could be a flaky connection somewhere. Nature of that isn't likely to damage another ECU, so maybe best to try another ECU and see what that does for you.

                If problem points at ECU then I can have a look at it - fixed a few in my time - usually the odd dry joint or failed protection components.

                Cheers Paul i may take you up on that

                For the time being does anyone know where the positive feeds (pin 18 +27) and earth feeds (pin 14 + 24) come from for the ecu

                I would imagine one of the power feeds (pin 27) is from the ignition switch, pin 18 is a pernament feed so that would come from the wiring loom at the fusebox ?!?

                Does it matter where the earth feeds go to ?

                Really appreciate the help chaps
                '95 ABY Avant - Sold
                '98 B5 S4 -MRC400+ = 464ps 741nm

                Comment

                • PeterS
                  S2Forum Addict
                  • Jul 2003
                  • 423
                  • Country: United States

                  #23
                  Steve Eiche of Shadetree Sofware has done a number of repairs to damaged 3B and AAN ECUs for us in the US...

                  If Paul is unsuccessful, you may want to consider trying Steve.

                  OTOH, it may also be cheaper to source a second hand ABY ECU...


                  -Peter
                  Peter S

                  1990 ErsatzS2 - track toy
                  1991 Coupe Quattro
                  1991 Coupe Quattro
                  1995 S6 Sedan
                  1995 S6 Wagon

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