CODE PO171 on 1998 Ford Contour


by in Spring Grove, IL on February 26, 2010
2 answers
ANSWER by on February 26, 2010
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
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ANSWER by on May 18, 2010
go to auoto value they will tell you ever thing if you have one out there
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