yes the code is po171

2001 HYUNDAI SONATA
195,000 MILES
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RBOISVERT
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  • 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 17, 2011 at 12:32 AM
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HMAC300
  • ✓ASE Certified Mechanic
  • 48,601 POSTS
  • ASE Certified Mechanic
check your fuel pressure a clogged filter or bad pump will also caue this as well as an injecor problem.
Nov 17, 2011 at 12:40 AM
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