Mechanics

FORD E-SERIES VAN ENGINE PROBLEM

1998 Ford E-Series Van • 80,000 miles

ENGINE LITE ON-- CODE READER SAYS PO171 AND PO174. WHAT DOES THIS MEAN?
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Guest
January 5, 2013.



Lean codes.

Could be vacuum leak, pcv valve, mass air flow sensor or low fuel pressure. You need to have the long term trims monitored to help with determining the failure

Roy