Will the gas tank pressurize if I've removed my charc. canister?

[jackhammer]

[quote=""lawdogg""], now that I know what's going on under there.[/quote]I wouldnt be so sure about that.

Heres the deal, there is no overflow. The feed comes out the top of the fuel pump assy (which in your case im sure is leaking if you have broken studs and a 15 year old dried up seal) and goes to the front fuel rail via the filter, it then goes through the rails, and gets held up by the regulator, the regulator allows the excess fuel to pass through, (thus regulating the pressure) and back to the tank through the return line. The return line is connected to the fuel tank at the very top in the center, directly under the threaded hole which the spare tire holder screws into.

The vapor hose leaves the tank in the general area of the pump assy. There is a blue check valve that prevents forien matter from entering the tank. If you remove the canister, vapor can still escape, but only if the pressure in the tank is enough to overcome the spring in the check valve. When the canister is installed, the vacuum from the engine helps open the check valve.

[jackhammer]

Actually it might be the vapor line thats at the top center, and the return is closer to the pump assy. Now that i picture my old injector cleaning system, that seems more likely

[jackhammer]

[broken record]Fix your studs and seal[/broken record] dam engineers

[Monochrome]

[quote=""Hannibalzero""]Aside from the rush of escaping fuel fumes when unscrewing the gas cap, what is the advantage of letting the tank vent? I have been using capped lines on two cars for a while, and haven't seen any ill effects. No exploding gas tanks yet. (Fingers crossed. )[/quote]



I think you know why if you are keeping your fingers crossed.

Anyway Ryan, like I said about a month ago, i bet you probably have a pin sized hole either in the hard line itself (right atop the pump assembly), or the soft line that attaches to it.

How much do you wanna bet?

Your fuel pump is shut off by the MFI relay (weather it be rewired or not) and that is shut off by the key. The pressure stays in the lines after the vehicle is shut down (unless there is a leak in the o-ring at the fuel pump). If you see gas leaking after you shut the vehicle off, then my guess is it's just the fuel squirting out until the pressure relieves itself.

How about you just buy me a bus ticket so I can come there?