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Thread: Audi S3 Nightmare

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    Audi S3 Nightmare

    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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    <tuffty/>'s Avatar
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    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/>
    Silver 2001 AMK S3. Silver alcantara interior... now with added powarrrrrrrr, torques. VAGCOM + KII-USB. >> My build thread...

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    S3 Paul's Avatar
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    Where abouts are you?
    Alot of members have VAG COM on their laptops... maybe somebody local to you on here can help you out?
    Noggy Blue 2001 S3

    I ask questions because i change my mind so much. If i ask questions you have already covered... just leave it be?

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    Alais DJA's Avatar
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    Them damn S3's

    s3mike19872 likes this.

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    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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    S3 Paul's Avatar
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    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,
    Noggy Blue 2001 S3

    I ask questions because i change my mind so much. If i ask questions you have already covered... just leave it be?

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    <tuffty/>'s Avatar
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    Quote Originally Posted by s3mike19872 View Post
    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
    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/>
    Silver 2001 AMK S3. Silver alcantara interior... now with added powarrrrrrrr, torques. VAGCOM + KII-USB. >> My build thread...

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    S3 Paul's Avatar
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    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,
    Noggy Blue 2001 S3

    I ask questions because i change my mind so much. If i ask questions you have already covered... just leave it be?

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    wayne1.8t's Avatar
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    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.
    IF IN DOUBT FLAT OUT---iF U AINT RUBBIN U AINT DUBBIN

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    Ok im on the hunt for the VAG COM as i speak. Thanks again

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    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

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    <tuffty/>'s Avatar
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    Quote Originally Posted by s3mike19872 View Post
    Ok im on the hunt for the VAG COM as i speak. Thanks again
    Have a look in the VCDS forum mate... there is a seller there

    <tuffty/>
    Silver 2001 AMK S3. Silver alcantara interior... now with added powarrrrrrrr, torques. VAGCOM + KII-USB. >> My build thread...

 

 

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