yes the code is po171

2001 HYUNDAI SONATA
195,000 MILES
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RBOISVERT
  • MEMBER
  • 1 POST
car hesatates when it is cold no power then it run fair a skip once in a wile.idels good,run fair, new wires spark plugs clean throdel body,new o2 sensor upper. code is po171 bank one to lean, whats next
Nov 16, 2011 at 4:32 PM
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HMAC300
  • ✓Experienced Mechanic
  • 48,601 POSTS
check your fuel pressure a clogged filter or bad pump will also caue this as well as an injecor problem.
Nov 16, 2011 at 4:40 PM
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