EGR valve

Discussion in 'C4 platform' started by jeffv, Jan 28, 2011.

  1. jeffv New Member

    I am a new Audi owner. I have a 97 A6 Quattro. The engine light came on.
    The code says exhaust flow reduced or something like that. The code was
    P0401. Where is the egr valve located?
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  3. modern390 New Member

  4. peri77 Member

    Engine code ?

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