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a4 vac fault

Discussion in 'Audi S4/A4/A4 Cab (B7 Chassis)' started by vitman, Mar 24, 2012.

  1. vitman
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    vitman New Member

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    [Mar 24, 2012]
    ok got 05 a4 1.8 t bfb code.my oil warning light came on engine light on stored dtc of system lean bank 1 also lumpynoisey idle if at idle exessive vac in engine oil cap hard to lift of it oil level stick removed vac goes.i know there is a concern on these cars for this i have repleced pcv filter that comes of back of rocker cover and goes to induction hose just after mass air flow meter but can is still the same can some one point me in the right direction or link on this site many thanks
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  3. NHN
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    NHN Retrofitter - Audi - VW - Skoda - Seat Site Sponsor VCDS Map User

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    [Mar 26, 2012]
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