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Q: code p0455 on 2006 Nissan Frontier

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
need help trying to find sorce of leak for code P0455.
have allready replaced gas cap. i have a 06 frontier
(1) Answer
Take a look at this article in the RepairPal Encyclopedia; http://repairpal.com/OBD-II-Code-P0455
There are other causes that could trigger the trouble code.