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    AUDI A3 2001 1781CC CODE APG Archived Message

    Posted by Bill Rutter on November 22, 2007, 6:00 pm

    Hi All

    Car came in with MIL on with complaints of poor idle when cold, from initial start.

    Using Modis pulled codes up
    16524 - bank 1 sensor 2 no activity intermittent
    18001 - altitude adaption signal outside tolerance
    17584 - lamda correction after cat bank 1 limit attained.

    Replaced 02 sensor after cat, attempted to clear codes all but 18001 cleared ok.
    Has already had new MAF sensor (we also cleaned the throttle housing)

    No info on autodata or modis, have checked for air leaks (has previously had egr fitted at dealer also).

    Any ideas on this one?

    Thanks

    Bill

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