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I would suggest it may be a dirty or clogged fuel filter or gas tank sending unit inside the gas tank. Try replacing the fuel filter first, if that does not work, you may need to pull the gas tank and clean it. God bless your efforts.
You may have fried it.
If it is getting power and ground, and it is not running, it may have overheated when you ran the tank empty. The pump uses liquid gas to keep it cool and lubricated.
Fuel injectors require a high pressure fuel pump which is located in the gas tank. The gas serves as the lubricant for the pump, so wen you ran out and emptied the tank completely you no longer had lubricant and the pump burn out. It won't pump gas now because it's the fuel pump is burned out and needs replacing. It runs when you put fuel in the injectors as that bypasses the pump. Replace the pump and the never let the tank get below 1/8th full (half a 1/4 of a tank).Not lie the old low pressure fuel pumps on the side of the engine blocks. Not cheap to buy a fuel pump and have to drop the tank to replace the burned out one. $$$ in costs even it you do it yourself.
It could be the fuel pump. The pump is in the gas tank. The pump is actually cooled by the fuel. Occasionally, in hot weather, when the pump starts to get old, if you run the fuel tank very low, the pump will heat up. Then, when refueling, you are putting fuel in the vehicle that comes from underground at about 50 degrees F. This can cause the pump to fail.
You probably got gunk from bottom of tank sucked into pump after you ran it to low and now it is blocking gas from getting past. Happens often when ppl run their vehicles out of gas. You will probably need to take pump out and clean screen.
Sometimes the fuel venting system does not release the vacuum enough to allow refueling. You would think that opening the gas-cap would vent everything, but it does not. The evaporator canister solenoid valve could be sticking.
Also check your gas tank straps. One strap could be loose or the fuel-pump could have been replaced and the tank rehung crooked. If you imagine filling the tank, you need the high side by the tank filler neck.
Check with a Chrysler dealer about any service bulletins regarding fixes for your problem. They may have a redesigned filler neck to eliminate the air lock you are experiencing.
after the straps are off ,it should drop a few inches about eight or so ,than you should disconnect the two lines beside the fuel filter that run to the fuel pump,than you should disconnect the third one at the fuel pump,than once complete slowly pull the tank to the passenger side of vehicle,it will take a little foce but will come,it really helps if you could get the vehicle up about a foot or more before starting and you should have more than enough room to pull tank and fuel pump out,undo the two plugs than you have to turn the locking plate counter clockwise thats on top of fuel pump to get the pump out and if taking the tank right out disconnect the main line for fuelling
The fuel pump has most likely frozen up from overheating it, the pump (located in the fuel tank) is cooled by the gas it is submersed in, anytime the tank is run lower than 1/4 the pump gets hot from coming out of the gas in the tank, this shortens the life allot. You are going to have to replace the pump.
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