EGR removal on 7A

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  • frostyflax17
    S2Forum Addict
    • Mar 2010
    • 248
    • Country: United States

    #1

    EGR removal on 7A

    91 coupe quattro, the egr is a mess and when fails can cause some issues, better to just delete it like you can do on 1.8t?

    how do you go about doing this without getting a CEL?
    Anyone do it? Someone heard that it will help with throttle response or something along those lines but i don't see how that would benefit.

    please and thank you
    2011 black VW Touareg TDI - Daily/hauler
    1991 black CQ- rally poser
    1990 titan CQ- rombotis brunhilde racecor
    1986 black Yamaha Fazer FZX - cafe bike project
  • Acidburn
    S2Forum Obsessed
    • Jun 2007
    • 13459
    • Country: United Kingdom

    #2
    Do you have a picture of it, either i'm having a off day or we never got a egr on both the 20v and 1.8t in the uk, i've only ever heard of it on diesels.

    If you do have one then blank it off as if its anything like diesels it will stop the engine getting smogged up, also would get rid of another potential air leak

    Comment

    • Error404
      Super Moderator
      • Mar 2007
      • 19789
      • Country: United Kingdom

      #3
      there is no EGR on the 7A. Do you mean the crank case ventilation system?
      Panthero Coupé quattro 20vt
      Indigo ABY coupé
      Imola B6 S4 Avant

      Comment

      • spink
        S2Forum Freak
        • Jul 2003
        • 4382
        • Country: England

        #4
        Originally posted by Error404
        there is no EGR on the 7A. Do you mean the crank case ventilation system?
        there may well be on the US versions,any car sold in california for eg. needed most of the emmision crap we have now, back in the early 80s,cats/anti smog this/that and the other etc

        Comment

        • frostyflax17
          S2Forum Addict
          • Mar 2010
          • 248
          • Country: United States

          #5
          here's from my 1991





          Last edited by frostyflax17; 16 December 2012, 19:35.
          2011 black VW Touareg TDI - Daily/hauler
          1991 black CQ- rally poser
          1990 titan CQ- rombotis brunhilde racecor
          1986 black Yamaha Fazer FZX - cafe bike project

          Comment

          • spink
            S2Forum Freak
            • Jul 2003
            • 4382
            • Country: England

            #6
            yeah you defo have a load of extra crap in there,can't be sure but you may need a euro ecu to totally delete all that lot and not make the light come on??

            Comment

            • frostyflax17
              S2Forum Addict
              • Mar 2010
              • 248
              • Country: United States

              #7
              guess so.

              only thing i need to keep is the ISV... but why is there an egr tube going into it? different then the 90 model. What is the mess of vacuum lines going to the one mounted on the intake box? That's where the 90 year ISV is mounted, this thing looks more like EGR to me.

              2011 black VW Touareg TDI - Daily/hauler
              1991 black CQ- rally poser
              1990 titan CQ- rombotis brunhilde racecor
              1986 black Yamaha Fazer FZX - cafe bike project

              Comment

              • frostyflax17
                S2Forum Addict
                • Mar 2010
                • 248
                • Country: United States

                #8
                not really a good photo, but here's my old 1990 cq. Apparently it didn't have a EGR on it? different ecu though so we can't swap it over. So I would need a 91 model ecu from the UK to not throw the codes i guess.

                anyone have one?

                2011 black VW Touareg TDI - Daily/hauler
                1991 black CQ- rally poser
                1990 titan CQ- rombotis brunhilde racecor
                1986 black Yamaha Fazer FZX - cafe bike project

                Comment

                • frostyflax17
                  S2Forum Addict
                  • Mar 2010
                  • 248
                  • Country: United States

                  #9
                  sites not letting my edit my post, so i guess i'll add another more clear photo that there is no EGR on my 1990 car.

                  2011 black VW Touareg TDI - Daily/hauler
                  1991 black CQ- rally poser
                  1990 titan CQ- rombotis brunhilde racecor
                  1986 black Yamaha Fazer FZX - cafe bike project

                  Comment

                  • Error404
                    Super Moderator
                    • Mar 2007
                    • 19789
                    • Country: United Kingdom

                    #10
                    I stand corrected, didn't know the late US market cars had EGR. Bin all that crap!

                    I am sure Spink will have an ECU for you
                    Panthero Coupé quattro 20vt
                    Indigo ABY coupé
                    Imola B6 S4 Avant

                    Comment

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