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Whats these codes mean P0507 P0455 p01456

Tiny
NICKBYYJ
  • MEMBER
  • 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
Sunday, July 1st, 2012 AT 5:05 PM

1 Reply

Tiny
KHLOW2008
  • MECHANIC
  • 41,814 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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