Fuel Tank Vent Valve (911-061) by Dorman®. Dorman’s Fuel Tank Vent Valve allows pressurized air/fuel vapors to escape through the top of the fuel tank. The Vent Valve is constructed from high-quality materials for long-lasting service. -It started off as 'Tighten Gas Cap" on the DIC, As the solenoid valve was stuck open and would vent the tank so the computer thought the gas cap was loose. I got the solenoid unstuck but later it failed in the close position and would not vent when filling the tank.

I’ve heard that many modern fuel tanks have a rollover/overflow valve (RO/OF) which restricts fuel from going into the vapor canister upon over filling. It’s basically a ball in a cage, and when the fuel gets to the full point, it prevents fuel from getting in. Do you know of any truth to this? Fuel Tank Filler Neck for 1996-2000 Town and Country, Caravan, Voyager, Duel Vent w/out Rollover Valve Fuel Tank Filler Neck for 1996-2000 Town and Country, Caravan, Voyager, Duel Vent w/Rollover Valve Fuel Tank Filler Neck for 1996-2000 Town and Country, Caravan, Voyager, Single Vent Fuel Tank Filler Neck for 1996-2000 Toyota RAV4 Feb 28, 2019 · The GenRight tanks are beautiful in every way. The aluminum welding is second to none. This tank is baffled inside to add strength and to keep the fuel from moving side to side to quickly. It also has rollover valves in the fill and vent to keep the fuel from spilling out when you tip on your side or top.