Question about 1998 Ford Explorer
Answer courtesy of www.obd-codes.com
Basically this means that an oxygen sensor in bank 1 detected a lean condition (too much oxygen in the exhaust). On V6/V8/V10 engines, Bank 1 is the side of the engine that has cylinder #1.
A code P0171 may mean that one or more of the following has happened:
Posted on Oct 07, 2009
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Posted on Jan 02, 2017
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