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Intermittent turbo?

Discussion in 'A3/S3 Forum (8L Chassis)' started by Felon, Nov 16, 2007.

  1. Felon
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    Felon Slightly odd.

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    [Nov 16, 2007]
    Ok - like a good boy I have read the FAQs and done a search but none seem to describe what I experienced this morning.

    Drove off from cold and it was clear I was driving a normally aspirated 1.8. No drama, no fuss, no turbo.

    Got to where I was going about 5 miles away and left the car for 5 minutes - got back in and hey presto; plenty of turbo.

    From reading the aforementioned FAQs and search results this could be due to a number of things but nowhere did I read that it comes and goes like it did with me.

    Anyone got any ideas or is it a trip to my local Mr Audi to plug in his vag...?

    Ta!
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  3. MikeA3
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    MikeA3 Active Member VCDS Map User

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    [Nov 16, 2007]
    it sounds like the car is going into limp mode - it basically stops using the turbo and makes the engine produce "limited" power to reduce any potential damage to the engine, unfortunately without a vag.com scan it's hard to say why - are there any members near you that could scan it for free? - i'm based in surrey but that might be a bit too far for you to travel

    Mike
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  4. Felon
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    Felon Slightly odd.

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    [Nov 16, 2007]
    Appreciate the offer - thanks!

    My S3 is under warranty so presumably even Audi would not charge me for having a quick look with Vag.com??
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  5. MikeA3
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    MikeA3 Active Member VCDS Map User

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    [Nov 16, 2007]
    yes - i think you should be ok if it's under warranty
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  6. madvw
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    madvw Active Member

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    [Nov 17, 2007]
    if they play by the letter, then only parts and labour are covered by the warranty. Diagnostics, or time taken to diagnose a problem are not covered.

    I've never been charged for any of the above on any warranty claims though.
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  7. HTC
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    HTC Active Member

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    [Nov 18, 2007]
    I'm going to go out on a limb and guess that your MAF sensor is at fault.
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  8. Felon
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    Felon Slightly odd.

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    [Nov 18, 2007]
    Thanks chaps - will take it down to Southampton Audi and see what they say.
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