four trouble codes: P0170, P2251, P2195, P2414

2005 HYUNDAI ELANTRA
185,000 MILES
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ELDOM72
  • MEMBER
  • 6 POSTS
When I started my car this morning, the CEL came on, so I took it to an AutoZone and they pulled out these 4 codes. P0170, P2251, P2195, P2414. What can be causing all these 4 codes altogether? Thanks for the help.
Oct 29, 2013 at 5:52 PM
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HMAC300
  • ✓ASE Certified Mechanic
  • 48,601 POSTS
  • ASE Certified Mechanic
check battery condition including load test then check fuel pressure, it may be an O2 sesor but fuel pressure low will cause a couple of those. should be 49.8 psi. it may need an adapter to check this or have a pro do it.
Oct 30, 2013 at 6:30 AM
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