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S2 problems need help

carlzdc Mar 27, 2007

  1. carlzdc

    carlzdc New Member

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    I HAVE A PROBLEM WITH MY AUDI S2 AVANT. FOR MORE THAN A YEAR I HAVE HAD PROBLEMS WITH INCONSISTENCY AND JERCKING IN TH EWAY IT RUNS, LACK OF POWER IN THE HIGHER REVS AND THE CAR DIES OFTEN WHEN I STOP.
    IT HAS BEEN IN AND OUT OF THE MECHANICS SHOP 6 TIMES AND I HAVE LOST FAITH IN HIM. IN SOUTH AFRICA THERE ARE FEW PEOPLE WHO WILL WORK ON THE CAR SO I HAVE A PROBLEM.
    I NEED ANY ADVICE ON WHAT TO DO TO SOLVE THIS PROBLOM OR ON WHAT THE PROBLEM MIGHT BE.
     
  2. Rev-head

    Rev-head Active Member

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    Hi Carl and welcome to Audi Sport.net

    What age of S2 do you have as they have 2 types 3B and ABY engine one has a distributor and the other coil packs

    what has the garage done already to the car so we can take that out of the equation

    Power problem usually come from :
    Boost leak from intercooler hoses to and from the turbo
    Faulty dump valve
    WGFV=waste gate freaqency valve faulty
    Coil packs failing under load
    POS=power out put stage which controls the coil packs as in timing
    Fuel pressure /when was the last time you replaced the fuel filter


    With the car cutting out on you i take it that when it is hot?....would be looking for a vacuum pipe leak somewhere and check all hose attached to the inlet manifold are tight

    loads of info on S2's are here www.S2forum.com and for stats/resource http://www.s2central.net/ run by guy Paul Nugent very good with S2s

    Cheers
     

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