My rollover cap is missing, could that cause evap engine codes on a 2015 Ram?

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Ram2015help

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I have been chasing a few different codes down and just noticed the rollover cap in the filler neck is missing. Could that cause a evap code? Specifically related to the gas cap, 0455,0456,0457?
 

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Tulecreeper

Tulecreeper

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Ram2015help said:
I have been chasing a few different codes down and just noticed the rollover cap in the filler neck is missing. Could that cause a evap code? Specifically related to the gas cap, 0455,0456,0457?
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I don't have one either on my 2023 2500.
 
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