4th Gen Ram Tech 2009 - 2018 Rams and the 2019 Ram Classic: This section is for TECHNICAL discussions only, that involve the 2009 - 2018 Rams and the 2019 Ram Classic. For any non-tech discussions, please direct your attention to the "General discussion/NON-tech" sub sections.

P0456 code

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Old Nov 27, 2015 | 12:39 PM
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Bosox93
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Default P0456 code

Everyone once in awhile my check engine light would come on, every time I read it, it's a P0456. I read some people say the fuel cap is a common one to cause that so I replaced it and it hasn't come on for about a month, until today it came back on. Has anyone had this problem or have any ideas where to look?
 
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Old Nov 27, 2015 | 01:25 PM
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Check EVAP canister for leaking
 
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