Question about 2005 Audi A3

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No acceleration,audi 1.8t,runs like no boost

1998 audi a4 1.8t has lost take off acceleration,also does not seem to accelerate like it should at highway speeds. no warning lights, idles smooth. could this turbo problem? similar problem, audi a3 2002 1.8 - idle rate fluctuates and the engine loses power when I accelerate.  fuel filter change at last service (6 months) and I've checked all the fuses relating to engine control... any ideas

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  • DJ - Brisban Nov 29, 2008

    Thanks rexx1 - could you please explain how to do that? I'm not the most mechanically minded, however have a whole day tomorrow to have a go...

  • Anonymous Apr 19, 2009

    hi there i have the same problem on my audi a3 1.8t so is ths this metal sort of pipe that has a rubber air pipe connected to it on top of the manifold and right below the engine cover

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Coil packs and coil wiring harness are very temperamental on the audis check coil pack wiring harness for cracks and also check for vacum leaks ,and maf sensor

Posted on Nov 07, 2014

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Have you tried cleaning out the throttle body as i had a similar problem and this worked

Posted on Nov 29, 2008

  • Bhavesh Patel Nov 30, 2008

    Hi there DJ



    The throttle body is situated underneath the plastic cover at the top front.

    its only 4 allen key style bolts,you will need to disconnect the plug that sits on it, once you have taken it off use carb cleaner and make sure you open the flap and clean it propely.



    Hopefully fingers crossed this will do the trick

  • Bhavesh Patel Nov 30, 2008

    Dj forgot to mention throttle body situated above exhaust manifold

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