It takes a long time to fill the gas tsnk.
It has to be slowly pour in if not it comes back out.
I remove the tank to see if there is any restriction on the lines'
did not find any. which line removes the air when fueling?
how do I check if the valve for the air is working properly?
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Re: filling the gas tank 2000 chevy impala
Make sure that the little hose is clear of any restrictions and you can blow through it this will be the vent tube for the fuel tank. there is also a check ball that may be lodged in the tank and it is located in the tank right where the fill tube connects to the tank. you should be able to disconnect the tube and move it around with your finger. thanks and keep me updated or if you run into a problem
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What happens if you fill from a portable gas can? No spills on the ground other than from the fill location? Do you have a "locking cover"? Air needs to come out of the tank, It is possible something has gotten into the fill neck of the tank preventing fuel from going into the tank. The portable gas can may reveal that kind of problem. Has anyone tried to work on the fuel system, perhaps the emission system? If so take it back. It almost sounds like the vacuum pump is "discharging" into the tank. So the correct "plumbing" connections have been compromised. or the pump is running backwards, so the electrical connections have been compromised. Is the car just back from collision repair? Take it back.
There are two pipes that go from the fill port to the tank. One big one to let the fuel in and one small one to let the air out. If air cannot get out, fuel cannot get in. When fuel stops going in the fuel pump assumes the tank is full and shuts off. The small one is plugged somewhere, hopefully one of the small rubber hoses. A work-around is to fill the tank slow enough that the pump does not shut off.
As far as I know, the only charcoal filter is in the recirculation/evap system and it's up front where fuel lines enter carb/injector system. Cuts down emissions by recirculating/recycling fumes back to tank. There is a screen at the bottom of the fill spout into the tank to prevent gas theft by siphoning. Might check that screen for rocks etc that some nimwit might have dumped in there. Try to find someone with one of those little cameras with light they use to check cylinders through the spark plug holes. Run it down your fill spout a look around. Or else pay the really overpriced charges for the dealership to take out the tank and clean it.
There should be an air vent coming from the top of the gas tank back to the top of the fuel tank. Possibly kinked or pinched, try pulling the fuel nozzle about half way out and filling the tank on the lowest setting the fuel pump will let you.
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There's a rubber hose like a radiator hose from the gas tank to where you fill your tank (the fill pipe) and a clamp on each end. Sometimes they do loosen up from vibration and bouncing up and down on bumpy roads.
I have a 2005 Hyundai Accent, It is not possible to fill the tank if you are letting the petrol pump run at full speed.Trying to fill up quickly it will only build up pressure and cut off. Next time you fill up just pull the petrol pump handle half way, it will take longer to fill but you wont get the blow back. Modern petrol pumps are getting quicker all the time.Hope this helps you.
Take your rig.. drive it to a gas station.. fill the tank up with gas.. also fill 2 jugs of gasoline at the same time... put the jugs in the back of it.. now drive as far as you can until the rig runs out of gas.. then, take the two jugs of gas.. pour it all over the rig, inside and out.. now light it a-blaze, then walk to your nearest car dealer and buy a new car..
It souds like the air return line from the fuel filler pipe is plugged. When you fill up the car the air has to escape from the tank or else the fuel backs up into the filler neck shutting off the fuel nozzle. The air pipe is housed in the fuel filler pipe and lets the air escape as the fuel is going into the tank. Remove the filler neck and inspect air bypass line to see if it is kinked or plugged.
You need to drop tanks and find out where blockage is and remove it! Temporarily, you can fill from a gas can, slowly so air can escape while filling! I'd at least look underneath and find out if the vent pipe to the fill neck is crimped anywhere.