losing boost

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  • timucin
    S2Forum Maniac
    • Nov 2003
    • 869
    • Country: Turkey

    #1

    losing boost

    my car used to peak 20 psi turbo boost.after installing a new exhaust sytem yesterday it lost the boost.
    it peaks 10 psi now and doesnt idle all the time.sometimes engine stops.i removed the air filter and the box to check if there is unplugged something etc but everything looks ok..

    what can be wrong?
    Quattro
  • A6 AVANT
    S2Forum Addict
    • Nov 2003
    • 321
    • Country: United States

    #2
    Sounds like an air leak! Audiman knows all about those!!!
    Check your hoses for splits/holes.
    A6 Avant Tdi 110 because as the fuel prices keep going up I am so happy to be getting 649.8 miles to a tank of diesel!! (£50)

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    • timucin
      S2Forum Maniac
      • Nov 2003
      • 869
      • Country: Turkey

      #3
      thnx for help
      Quattro

      Comment

      • Mark Halligan
        S2Forum Fiend
        • Jul 2003
        • 2001
        • Country: England

        #4
        Yep,

        it does sound like a boost leak, you have just had a lot of work done under there for your new exhaust and downpipe, check that a hose has not been pulled off or split or maybe a hot welding gun put through one!

        Good luck,

        Mark.
        Mark - Modded

        Comment

        • timucin
          S2Forum Maniac
          • Nov 2003
          • 869
          • Country: Turkey

          #5
          will re-check tomorrow
          Quattro

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