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Fault code help

Discussion in 'A3/S3/Sportback (8P Chassis)' started by Paul Laird, Nov 8, 2009.

  1. Paul Laird
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    Paul Laird Member

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    [Nov 8, 2009]
    hey was wondering if anyone could tell me if P0171 BANK 1 TOO LEAN could be caused by a faulty maf sensor??? as my mil light came on again 2nite and this is the code that came up
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  3. Khufu
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    Khufu Active Member

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    [Nov 8, 2009]
    Dont think it would be the MAF, more likely an air leak like a split hose/vaccum pipe etc.
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