Fuel flow & return reversed

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  • Rikki Kitto
    S2Forum Zealot
    • Feb 2010
    • 6276
    • Country: England

    #1

    Fuel flow & return reversed

    So having the flow return fuel pipes the wrong way round for ages and running the car for thousands of miles, discuss 😊
  • diesel des
    S2Forum Possessed
    • Feb 2004
    • 3896

    #2
    It's a wonder it ran properly at all.

    Sent from my LG-H955 using Tapatalk

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    • rj scotty
      S2Forum Fiend
      • May 2006
      • 2195
      • Home: United Kingdom Current: England

      #3
      how would the fpr be able to do its job?
      sigpic
      "For what you spent on that you could have brought a new car"
      BUT I DON'T WANT A NEW CAR!

      1995 S2 Avant, Volcano Black
      1982 VW Golf Mk1, primer yellow, will be finished one day, maybe.
      2003 VW T4 long nose X pack, (has become project)

      Comment

      • Rikki Kitto
        S2Forum Zealot
        • Feb 2010
        • 6276
        • Country: England

        #4
        That's what we cant understand it's been running pretty much OK apart from the odd stutter here n there, strange. Only real issue was the massive build up of pressure in the fuel tank which we put down to a dodgy Evap system, after replacing all that and still pressure in tank we thought we'd swap the pipes as a last resort (fuel lines were replaced a while back) and no more tank pressurising car running sweeter than ever

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        • rj scotty
          S2Forum Fiend
          • May 2006
          • 2195
          • Home: United Kingdom Current: England

          #5
          we live and learn
          sigpic
          "For what you spent on that you could have brought a new car"
          BUT I DON'T WANT A NEW CAR!

          1995 S2 Avant, Volcano Black
          1982 VW Golf Mk1, primer yellow, will be finished one day, maybe.
          2003 VW T4 long nose X pack, (has become project)

          Comment

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

            #6
            Might need to get your live map tweaked for fueling now?
            Current-2004 Impreza PPP wagon

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

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            • Rikki Kitto
              S2Forum Zealot
              • Feb 2010
              • 6276
              • Country: England

              #7
              So what we think was happening is the return was mixed up with the vent pipe so returning fuel was going into the tank vent, not the fuel going the wrong way round the loop as first thought, this is maybe why the car run OK but built up loads of pressure in the tank. Anyhoo had a chat with the man who knows and booked in for a map check just in case it needs tweaking but all seems well now

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