If they have not done so already, they're going to dissolve - It'll slowly gum up your engine. Take it to a mechanic immediately and have the system flushed. Good luck.
No it does not. But, why are you asking? Have a nice day.
Replace it! Or there are places that will take your old tank (bare and dunk it in some type of teflon/rust proof coating. I'd go for the replacement.
How do you fix an airlock in a 2002 ford explorer gas tank.
You can stop a leaking gas tank, by making a paste of soap on the hole of the gas tank.
you can buy,a tank repair kit at any auto parts store, these kits are not expensive, and easy to use if you follow the directions