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In the past I have seen fuel pumps that would run on the bench but wouldn't work in the gas tank. Sometimes you can bang on the gas tank and get the pump to start working, the problem is usually bad brushes. In the past I have cut open an electric fuel pump, those little brushes were wore down to the nub.
If you have good voltage and ground at the fuel pump and no pump action, suspect the fuel pump. Fuel filter is good, I didn't look to see if inline fuel filter? Fuel lines aren't clogged? Don't disconnect any fuel lines unless your sure, no fuel pressure.
replacing the fuel pump on this truck, requires the fuel tank to be removed. the fuel pump is installed in the fuel tank. you can either drop the fuel tank or remove the truck bed to gain access to the fuel pump
the in-line filter is in the fuel line between the tank and the engine, seldom do you have to even touch the tank much less remove it in order to replace that filter. there is a screen on the pump inlet of the in-tank fuel pump and most likely you are going to have to drop the tank in order to replace the pump or the fuel level sender. make sure there is not a service access hole in the rear of the car such as under the spare tire which could give you access to the top of the tank. on the other hand it is not unusual to find yourself in a situation where a lot of the fuel line must be replaced when you replace the in-line filter. as such you may find yourself with no room to connect the new fuel line to the nipple on top of the tank, without lowering the tank a bit.
If you mean the fuel filter then YES that could have vary likely been your problem .Its always good to change this these vehicles are known to have fuel pump issues and there a pain to replace and not cheap. Never let the tank run completely dry eighter you have a 2001 the pumps last 10 to 12 years at best so keep this in mind
You'll need to see if your fuel pump is providing fuel pressure. First test would be to take off fuel cap, listen through filler tube as someone turns ignition on for a few seconds, then off for a few seconds. Repeat a few times you should hear the fuel pump start then stop as it builds pressure.
No noise, then test voltage coming to pump if yes, 12 volts, replace fuel pump. Test ground also before replacing pump.
I would expect it to be this as the computer wouldn't allow the vehicle to run with fuel being poured into the engine otherwise.
If it's pumping, you will need to do pressure testing to determine if it pumps enough, or just replace it as either just the pump, or the complete pump assembly that drops into the tank rather easily.
Pumps are available at dealers OEM, discount auto parts stores, and I've had good luck with pumps that I've bought on eBay.
Unless there is an access panel inside the vehicle above the fuel pump, you will have to remove the fuel tank in order to access the pump. Do not forget to replace the fuel filter. Partially clogged fuel filter is one of the causes of a failed fuel pump.
Time to replace the fuel filter. It's not a hard job actually. And it's a VERY common thing to go wrong. I'd change the fuel filter and then run some fuel treatment through the tank afterwards. Believe it or not, I've noticed that a nice bottle of fuel treatment really conditions a fuel filter well.
Hope this helps ??
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