I’m replacing the N80 valve and carbon canister on my 2012 (pre-facelift) VR6, in the hope of curing an occasional P0441 Incorrect Purge Flow fault code. Swapping the filler cap hasn’t worked.

The carbon canister I’ve just received (link below) has an extra downward-pointing vent pipe about an inch or so long in one corner, which is not present on the one currently fitted. Is this simply a modification introduced on newer revisions of the part, or have I got the wrong thing? Does anything attach to it, or does it just remain open?

https://www.skoda-parts.com/spare-part/1k0201801e-activated-charcoal-container-european-union-49154.html

So I’ve finally got around to doing the job.

It turns out that the OEM carbon canister has an invisible hole in that corner that I couldn’t see until the canister was removed.

They’ve obviously decided that the hole would benefit from the protection of a tube, perhaps to reduce the risk of dirt or water ingress.