ENGINE LITE ON CODE READER SAYS PO171 AND ...

  • Tiny
  • Anonymous
  • 1998 Ford E-Series Van
  • 80,000 miles

ENGINE LITE ON-- CODE READER SAYS PO171 AND PO174. WHAT DOES THIS MEAN?

Saturday, January 5th, 2013 AT 4:47 PM

1 Answer

  • Tiny
  • ASEMaster6371
  • Expert
  • 25,549 posts

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

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Saturday, January 5th, 2013 AT 5:28 PM

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