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No boost

Discussion in 'A3/S3 Forum (8L Chassis)' started by cammage08, Nov 2, 2013.

  1. cammage08

    cammage08 Member

    Jul 18, 2013
    Likes Received:
    Hi, i know theres loads of posts about boost loss but wanted to add my own. I have a stage 1 mapped S3, was out in the car this morning accelerating from 40-60 when suddenly lost boost...? No eml or other symptoms... Still drives ok but about 60% of full potential. Recently did n249 bypass which is still connected and fine. Scanned with VCDS nothing major other than 17861 EGT sensor. Would this cause the sudden loss of power im experiencing? Any help would be appreciated.

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  3. <tuffty/>

    <tuffty/> Badger 5 Edition...Its all about the flow...
    Staff Member Moderator Audi S3

    Sep 14, 2008
    Likes Received:
    EGT probe unplugged? with this unplugged the ECU will go into permanent protection and over fuell... this won't be helping performance at all... check that its connected... the EGT probe black box is under the inlet manifold and can be seen by removing the plastic trim in front of the inlet mani...

    If this is plugged in then it could be wiring,,,


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