1998 Ford taurus p0171 p0174 Source Source Source Source Source Source Source Source Source Source Read Also: 99 Ford taurus p0171 p0174 Ford ranger p171 code 2004 Ford taurus p0171 p0174 2001 Ford taurus p0171 p0174 2000 Ford taurus p0171 p0174 2005 Ford taurus p0171 p0174