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Thread: Audi s3 2010 2.0 Tfsi lumpy on tickover

  1. #1
    Verified VCDS User
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    Jul 2019
    Nottinghamshire, UK
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    Audi s3 2010 2.0 Tfsi lumpy on tickover

    Hi all finally sorted the original fault codes were po300 and po301 cylinder no1 misfire . Changed plugs and coil packs as no1 coil pack was faulty anyway . Did a compression test all were ok . Still got bad misfire on no1 cylinder . ? Problem now solved stripped
    Inlet manifold to possibly changed no1 injector , the problem turned out to be no1 cylinder swirl flap in the cylinder head had broken . You can only get these Iím told from Audi they come with a new inlet manifold at 380.00 plus vat . The cars my sons so I welded the two pieces back together clean all 4 flaps then rebuilt now the car is running mint again . I would send pics if I knew how to send them . Thanks all . Simon

  2. #2
    Benevolent Dictator Uwe's Avatar
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    Jan 2014
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    The engineering problems are likely insurmountable. It would be like proposing to land a rocket booster section on a barge floating in the middle of the ocean.

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