Question about 2001 Ford Windstar
Code p0171 refers to system too lean--bank 1==causes---intake /exhaust leak---AIR system---MAF/VAF sensor---fuel pressure pump/regulator---injectors--HO2s
check for vacuum leaks ,have a fuel manifold pressure test done. check injectors and electronics for the injectors, check the oxygen sensor
Posted on Dec 29, 2013
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Posted on Jan 02, 2017
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