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Ask Your Question1999 BMW 540i
Question: OBDii Code p0171 p0174
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Answer #1
fernando December 28, 2011, 00:17Reply
MasterCheck out this article about the OBD II Code P0171 and P0174: Fuel System Too Lean (Bank 1 or 2).
http://repairpal.com/OBD-II-Code-P0171-and-P0174Flag ThisLike0
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