I have a 2001 Audi A4 1.8t, and for some reason it started to get really hard to put gas in the engine. I searched the forums, and didn't come up with much. To fill the tank, I have to repeatedly start and stop - it takes a good ten minutes to fill the tank. This has happened to me at every gas station since the problem started, so it isn't the pump's fault. If anyone has a quick fix or some kind of solution, it would be really helpful. If all else fails, will it be fixed if I replaced the gas tank?