Question about Cars & Trucks
Those codes indicate the fuel/air mixture is too lean. (Not enough fuel or too much air). This can be a result of a vacuum leak or faulty pcv valve. Start with the simple things. Look at all the vacuum lines for disconnected, cracked or broken hoses.
Posted on Nov 10, 2014
Testimonial: "I replaced the pcv and the grommet all other lines look good codes still come back"
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Posted on Jan 02, 2017
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Nov 07, 2014 | Ford Windstar Cars & Trucks
Apr 12, 2011 | 2001 Ford Windstar
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Mar 02, 2011 | Ford Windstar Cars & Trucks
System Too Lean (Bank 2)
Basically this means that an oxygen sensor in bank 2 detected a lean condition (too much oxygen in the exhaust.
Note: This DTC is very similar to P0171, and in fact your vehicle may show both codes at the same time.
Dec 17, 2009 | 2002 Ford Windstar Cargo
Aug 06, 2009 | Ford Windstar Cars & Trucks
Jul 09, 2009 | 2001 Ford Windstar
Mar 11, 2009 | 1996 Ford Windstar
May 20, 2008 | 2001 Ford Windstar
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