Boost Problem?

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  • ian_jemo
    S2Forum Addict
    • Aug 2004
    • 284
    • Country: United Kingdom

    #1

    Boost Problem?

    Hi all

    Hopefully someone can help, I have currently got a boost problem thats got worse,
    When I drive the car it is only boosting to about 5PSI this does this about 75% of the time.

    If I turn the car off and back on again, the car has full boost again and works fine for about a minute then it goes back to the normal 5PSI.

    I have changed the knock sensors and torqued then to 20nm, I still thing it is the knock sensors but wondered if you guys had any idea what it could be. I'm going to check the knock sensors again today.

    Just curious how would the car run with the knock sensors disconnected?

    Thanks

    Ian
    1991 S2 3b, Samco Hoses, RS2 IC, 18'' RS6 Wheels, Forge Dump Valve, Scorpion Exhaust System, Decatted, MRC Remap
  • terrybullwon
    S2Forum Zealot
    • Mar 2006
    • 8782
    • Country: England

    #2
    Ian when we ran my ecu and we made 22psi+ i was a bit worried but then it seemed to carm back down again, the knock sensors never came up on vag com and would have said they seemed ok?

    I think your wgfv maybe a little sticky? i can send you my boost leak kit down and a wgfv when it gets back to me

    Let me know James
    Chef

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    • ian_jemo
      S2Forum Addict
      • Aug 2004
      • 284
      • Country: United Kingdom

      #3
      Cheers James, I have got a spare WGFV so I'll give it ago. Cheers
      1991 S2 3b, Samco Hoses, RS2 IC, 18'' RS6 Wheels, Forge Dump Valve, Scorpion Exhaust System, Decatted, MRC Remap

      Comment

      • ian_jemo
        S2Forum Addict
        • Aug 2004
        • 284
        • Country: United Kingdom

        #4
        James you are a star,

        Car is back on track and boosting like it should. You were right.

        Thanks again

        Ian
        1991 S2 3b, Samco Hoses, RS2 IC, 18'' RS6 Wheels, Forge Dump Valve, Scorpion Exhaust System, Decatted, MRC Remap

        Comment

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