Changing the wastegate diaphragm?

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  • GreenDestiny
    S2Forum Tinkerer
    • Apr 2004
    • 4

    #16
    Originally posted by Doug_RS2
    Austin - what is wrong with your car?

    Where are you?
    Hi Doug,


    Basically some times when I floor the S2 (late 1993 six speed) it dramatically loses all power for a split second. The effect is the car jerks violently until I let off the power.This usually happens when I am in a high gear and just using the turbo to accelarate rather than changing down a gear. If I stop and turn the ignition off and on again I may not see the same problem again for a week.

    I am usually between milton keynes and Northampton.

    Thanks

    Austin

    Comment

    • Jamo
      Retired OG Mod
      • Mar 2004
      • 21750
      • Country: United Kingdom

      #17
      Originally posted by GreenDestiny
      Hi Doug,


      Basically some times when I floor the S2 (late 1993 six speed) it dramatically loses all power for a split second. The effect is the car jerks violently until I let off the power.This usually happens when I am in a high gear and just using the turbo to accelarate rather than changing down a gear. If I stop and turn the ignition off and on again I may not see the same problem again for a week.

      I am usually between milton keynes and Northampton.

      Thanks

      Austin
      Didnt Ski have a similar problem and it was a faulty injector module?

      Might be worth asking him if your sympthoms are the same as his were.

      LOL i'm a forum buff and i dont officially own an S2 yet!!

      Surprised Dan_B hasn't point this out yet!

      Comment

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

        #18
        Pull fault codes then lets talk !

        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

        • GreenDestiny
          S2Forum Tinkerer
          • Apr 2004
          • 4

          #19
          Originally posted by S2central.net
          Pull fault codes then lets talk !

          Paul
          Hi Paul,

          I pulled the fault codes recently and there was just one '0544 maximum charge air pressure exceeded'. if I power off and on again this will dissappear. I have to get the problem to happen (floor it in a high gear usually does it) ,leave it running and then hook it up to the computer.

          Cheers

          Austin

          Comment

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

            #20
            That'll be caused by an air leak. Are you a 3B or ABY ? Where are you ?


            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

            • GreenDestiny
              S2Forum Tinkerer
              • Apr 2004
              • 4

              #21
              Originally posted by S2central.net
              That'll be caused by an air leak. Are you a 3B or ABY ? Where are you ?


              Paul
              Im pretty sure it's an ABY. I am in Milton Keynes.

              From reading about similar problems on this list I had my mechanic check all the hoses and he reckons they are all sound??? As far as I know he used a compressor to actuate all the air activated components like the wastegate and dump valve and they all seemed fine. He also figures that if it was a hose I should be able to hear air sounds in the car. I do hear good old turbo whoosh type sounds etc but nothing out of the ordinary.

              Cheers

              Austin

              Comment

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