WHATS THESE CODES MEAN P0507 P0455 P01456

  • Tiny
  • nickbyyj
  • 2002 Nissan 180SX
  • 103,000 miles

I have a Nissan. Altima 2002 showing codes of p0507 idle air control system rpm higher than expected p0455 evaporative emissions system leak and p01456 evap system very small leak. It has a humming noise to it kinda smells like something burning

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Sunday, July 1st, 2012 AT 5:05 PM

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  • Tiny
  • KHLow2008
  • Expert
  • 41,994 posts

You don't need to post so many questions at one time.

The EVAP system ahs a leak somewhere and it can be due to a loose gas cap. As to the P0507, it can be caused by the EVAP system codes.

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Sunday, July 1st, 2012 AT 5:15 PM

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