Question about 2003 Ford Windstar
Code p0171 refers to system too lean, bank 1 causes---intake /exhaust leak---AIR system---MAF/VAF sensor---fuel pump pressure/pump---injectors---HO2S (Oxygen sensor)
Replace the faulty units with genuine one because most
aftermarket units are not set for OEM cpu units and are not completely compatible.
Posted on May 05, 2013
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Posted on Jan 02, 2017
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