Bloody hell they look like you are using 2 stroke. Not such a good idea then GDI.
But surely all those Fords & Masdas etc out there would be equally affected & doing more miles there would be a big press on this ?

I did easily find this talking about catch cans & spray cleaners here

JohnV6
2022 CX Plus Four
2025 MG ZS EV aka Trigger