Fuel system error

[Cdevincent]

So I got my BS back in May, and within a week I had a warning about my fuel cap. Brought it to dealer, turned out to be a fuel vapor valve malfunctioning. I waited 3.5 MONTHS for the part to come in. Just picked it up this morning, and on my way home the same alert came up. Anyone know what gives? I love my BS but so frustrated with this…

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[Glamdring70]

Either the part was not the problem or it developed another leak from them tinkering with it. That's a standard description of the steps you take to overcome a P0455 malfunction code. We have capless fuel fillers so you can try what it says, but it's time to go back and tell them to find the issue. They may need to perform a fuel system smoke test.