P Paul Laird Registered User Joined Aug 10, 2009 Messages 137 Reaction score 2 Points 16 Location Darvel, scotland Nov 8, 2009 #1 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
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
Khufu Registered User Joined Jan 2, 2003 Messages 6,170 Reaction score 212 Points 63 Location West coast of Scotland Nov 8, 2009 #2 Dont think it would be the MAF, more likely an air leak like a split hose/vaccum pipe etc.