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Fault code help

Paul Laird Nov 8, 2009

  1. Paul Laird

    Paul Laird Member

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    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
     
  2. Khufu

    Khufu Well-Known Member

    5,704
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    Dont think it would be the MAF, more likely an air leak like a split hose/vaccum pipe etc.
     

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