code PO171

1999 HONDA PASSPORT
178,000 MILES • 3.2L • 6 CYL • 2WD • AUTOMATIC
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JLOPEZ8867
  • MEMBER
  • 1 POST
when driven about ninety to one hundred miles appear code PO171.
Nov 1, 2016 at 12:23 AM
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HMAC300
  • CERTIFIED EXPERT
  • 48,601 POSTS
check fuel pressure with a gauge auto parts rent it. see link.
https://www.2carpros.com/articles/how-to-check-fuel-system-pressure-and-regulator
Nov 1, 2016 at 6:08 AM