WHAT DOES PO171 CODE MEAN?
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1998 Ford Contour Question: CODE PO171
fernando February 26, 2010, 22:39Master
This means that an oxygen sensor in bank 1 detected a too much air, not enough fuel in the exhaust.
For more info please go to http://repairpal.com/OBD-II-Code-P0171-and-P0174
Answer #2james b May 18, 2010, 19:14Enthusiast
go to auoto value they will tell you ever thing if you have one out there