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Code P0455 for nissan xterra 2002 v6

I had to recently remove the inside of my catyltic converter because the pellets inside were coming lose. Since then check engine light comes on. Code P0455 is registered on my diagnostic tool is this becaude of lack of back pressure from the catyltic converter or what?

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That code if for a leak in the evaporative emissions system. Check you fuel filler cap first. If it isn't on right it will cause this fault code. If that's not it, you'll need a mechanic to test the entire system for leaks.

Posted on Apr 30, 2010

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P0455 will be either the vacuum lines on the Evap system or maybe the purge valve. Not related to the catalyst at all.


Lloyd Six

Posted on Apr 30, 2010

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