So, on my 01 748, I removed the emmissions system's little charcoal canister (quite heavy actually..) and i'm not sure exactly what to do with the two rubber hoses leading to the gas tank. I guess i'll leave one of them in, as its already set up to drain. I'm not sure what to do with the other one (that was originally connected to the canister. Should i plug it? I've heard that can cause pressure buildup in the tank...any ideas?