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Gas pump nozzles have a device in the end that when gasoline runs back up into it, it turns off the fuel flow."
There's a tiny hole near the bottom of the gas pump nozzle connected to a small tube.
Normally, air flows through that tube while you're filling and the gas keeps flowing as long as you hold down on the trigger. When that hole gets covered by gasoline (when your tank is full), a vacuum forms inside the nozzle and an automatic shutoff switch gets tripped, turning off the flow of gas with a thunk. Next time your fueling up try to reposition the nozzle.
When taking gas cap off give it a few seconds for the pressure to escape from the tank. Also you may not be putting the nozzle in far enough for the fume preventor(the rubber thing on the nozzle)to press down. That will make it stop pumping gas. Sometimes you have to press the rubber down when it is cold out.
on the nozzle of the dispensers there is a safety kick off, this will activate whenever gas splashes back into the nozzle. there are two ways to make this not happen, the first is back the nozzle out so it does not have gas splashing back into the nozzle or find another gas station that have different nozzles.
no its not the vent.it is the restrictor for the nozzle for unleaded gas.(thinner/smaller then leaded) causing a back pressure when you are filling up.sorry but you will just have to fill up slowly like i do....
I have a 2000 camry that I just fixed today. there is a vent tube and valve on the carbon canister that is located just behind the gas tank and above the cross member. this vent tube will get plugged up by ( of all things ) spiders, dirt daubers, and I even had a mouse pack the tube with dog food. Just remove the tube and the valve from the canister and clean them out. You will now be able to fill your gas tank again.
Sorry if this gets posted twice. I have a 95 Saab 900, which I just acquired. I can get only about 4 or 5 gallons in at a time. The best analysis I found was this one where the man pinpoints a stuck valve in the gas tank, and tells of what he did to address it.: http://www.quasimotors.com/9_5_gas_fill_prob.htm
If your ck engine light isn't throwing a e-vap code don't mess with your canister unless you pull the vac line off an gas poors out of it.Reposition your nozzle an pump slower this is common with many cars.Save your money.