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Audi S3 Nightmare

Discussion in 'A3/S3 Forum (8L Chassis)' started by s3mike19872, Feb 17, 2012.

  1. s3mike19872
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    s3mike19872 New Member

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    [Feb 17, 2012]
    I have a 2002 reg Audi S3, about a month ago i started to loose boost, was told the timing was out and my CAT was blocked, had the timing done and just changed the CAT, still have lack of boost. Seems to be burning water also as i have white exhaust smoke and also water in coolant tank. Had a engine replacement 5000 miles ago so was doubting it would be the head gasket, also its not overheating. Would this explain the boost/lack of power issues. Any help much appreciated :)
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  3. <tuffty/>
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    <tuffty/> Badger 5 Edition Staff Member Moderator

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    [Feb 17, 2012]
    First thing you need to do is scan for fault codes using VCDS or similar... these cars log all sorts of stuff and is the best starting point without actually seeing the car itself..

    Lack of boost could be due to various reasons buthe the best approach is a scan then go from there...

    Welcome to ASN... :)

    <tuffty/>
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  4. S3 Paul
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    S3 Paul Well-Known Member Regional Rep

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    [Feb 17, 2012]
    Where abouts are you?
    Alot of members have VAG COM on their laptops... maybe somebody local to you on here can help you out?
    #3
  5. Alais DJA
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    Alais DJA Member

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    [Feb 17, 2012]
    Them damn S3's

    :s3addict:
    #4
    s3mike19872 likes this.
  6. s3mike19872
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    s3mike19872 New Member

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    [Feb 17, 2012]
    Ok thanks very much, i will try that, someone who i knows has VAG COM so i will get it hooked up asap. Im in the blackpool area. So even without an engine management light on, there will still be fault codes?

    Thanks for the help guys
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  7. S3 Paul
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    S3 Paul Well-Known Member Regional Rep

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    [Feb 17, 2012]
    Boost leaks , Various other problems can all be there without a dash light,
    As said, scan the car and write down any codes that come up. Clear them and see whats what,
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  8. <tuffty/>
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    <tuffty/> Badger 5 Edition Staff Member Moderator

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    [Feb 17, 2012]
    Yeah... faults don't always bring up the CEL...

    The other thing you could look out for is boost and vacuum leaks... basically any hose thats part of the intake/boost systems is subject to leaking or having pipes split etc...

    Most common being pipes under the inlet manifold that are part of the PCV system etc..

    This is the same for any VAG with a 1.8t engine... common across the range, A3, S3, TT, Leon, Ibiza, Skodas... etc..

    <tuffty/>
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  9. S3 Paul
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    S3 Paul Well-Known Member Regional Rep

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    [Feb 17, 2012]
    With the pipes under the inlet...
    I was told to look out for it being oily under there. Usualy i sign one of the pipes has split,
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  10. wayne1.8t
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    wayne1.8t Member

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    [Feb 17, 2012]
    What colour is your s3 mike? I'm around Blackpool also. I no a garage in st annes who might be able to help you.
    #9
  11. s3mike19872
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    s3mike19872 New Member

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    [Feb 17, 2012]
    Ok im on the hunt for the VAG COM as i speak. Thanks again
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  12. s3mike19872
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    s3mike19872 New Member

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    [Feb 17, 2012]
    Its Nagaro blue wayne, great thanks, do you have the name, might be worth a try if i have no joy on my own, cheers
    #11
  13. <tuffty/>
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    <tuffty/> Badger 5 Edition Staff Member Moderator

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    [Feb 17, 2012]
    Have a look in the VCDS forum mate... there is a seller there :)

    <tuffty/>
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