WGFV Testing

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  • iain1067
    S2Forum Maniac
    • Mar 2005
    • 984
    • Country: United Kingdom
    #1

    WGFV Testing

    Ok i know mine isn't an S2 it's S4 AAN engine, i have tried driving the car with the WGFV unplugged and plugged (disconnected the electrical connection), made no difference at all to the level of boost i was getting on the dash gauge 1.8bar. Any thoughts on what this means????

    Thanks


    Iain
    Tags: None
    • porkkis
      S2Forum Extremist
      • Aug 2003
      • 1994
      • Country: Finland
      #2
      A faulty WGFV or ECU does not let the boost rise as you have another problem. Check the fault codes. Measure the resistance of the WGFV pins. Should be around 30 ohms.
      -

        Comment

        • iain1067
          S2Forum Maniac
          • Mar 2005
          • 984
          • Country: United Kingdom
          #3
          The wgfv is new btw.

          Iain

            Comment

            • porkkis
              S2Forum Extremist
              • Aug 2003
              • 1994
              • Country: Finland
              #4
              I'm running out of letters because you left that out

              Read the fault codes. If there is none it's probably a boost leak.
              -

                Comment

                • Faheemo
                  S2Forum Maniac
                  • Feb 2005
                  • 544
                  • Country: South Africa
                  #5
                  Had a similar problem recently, car was over boosting alot.
                  Turned out to be a boost leak, wher the wgfv connects up to the turbo flex pipe.

                  S2 Coupe fully built.
                  10.9 1/4mile 0-100 in 3.5secs
                  Precision 6262 turbo
                  The Green Monster

                    Comment

                    • audiman
                      S2Forum Freak
                      • Jul 2003
                      • 4827
                      • Country: United Kingdom
                      #6
                      From this it sounds like you are getting 0.8 bar of boost, screw in WG is slightly too tight, but it will be fine. Read fault codes!!
                      sigpic
                      Tom C - www.rcmr.co.uk
                      Audi UR Quattro
                      Audi 100 C3 2.0 5 cyl 115ps
                      Audi S2 - 07k engine project aiming for 800ps
                      Audi B5 RS4 645ps 911nm

                        Comment

                        • spiralsmurf
                          S2Forum Hobbyist
                          • Mar 2005
                          • 21
                          #7
                          looks more like you have a boost leak than a faulty WGFV, since you say it's new.

                            Comment

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