What about a leak around the carb's fuel inlet? The engine seems to run better when I spray carb cleaner right around this fitting. I noticed it was very loose when I screwed it in like the threads in the carb's inlet were worn out. I just used some thread sealant on it, but maybe that wasn't good enough to prevent a vacuum leak. I don't have a fuel leak there however. Can I be getting a vacuum leak even though I don't have any fuel leak? Is it even possible to get a vacuum leak there?
