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ENGINE LITE ON-- CODE READER SAYS PO171 AND.
1998 FORD E-SERIES VAN
ENGINE LITE ON-- CODE READER SAYS PO171 AND PO174. WHAT DOES THIS MEAN?
Saturday, January 5th, 2013 AT 4:47 PM
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
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Saturday, January 5th, 2013 AT 5:28 PM
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