Mechanics

WHATS THESE CODES MEAN P0507 P0455 P01456

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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Nickbyyj
July 1, 2012.




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.

KHLow2008
Jul 1, 2012.


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