Re: 2019 Onward Kohler Issues
I've never paid too much attention to whats there on our 2015 Subaru EFI cart, but I think the same canister is there with a similar layout. I might have to go grab it and take a closer look. I've never filled that one up "all the way" because it runs for a month on a tank of fuel, even being driven every day.
You can see on the opposite side of the canister is the external vent I was talking about. It looks like it just has a T plug in it, and doesn't look to me to be blocked in any way, but that doesn't mean the canister is not.
The black vent nipple on top of the tank should just be an IN vent so the tank doesn't suck in when the pressure inside drops as the liquid in the tank cools. The cap is supposed to be vented to allow air IN, but they could have changed that, and there's no guarantee it will always work. Thus the need for a dedicated vent tube on the tank.
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