its not working
A fuel pump pressure test could determine the condition of the fuel pump and fuel system.
When it fails to pump fuel as it should.
Do a fuel pressure check-no fuel pressure means defective fuel pump-
The fuel pump relay is to move the fuel from the primary tank to the engine itself. To accurately answer your question I would have to know the exact fuel pump you want to know about
Of course if the fuel pump is not running the fuel pump fuse, fuel pump relay, or the pump itself is defective. But the pump can be running and still be not pumping fuel. The only way to know for sure is to run a fuel pressure test. Do not overlook the fuel filter as it may be clogged.
it'll be a pump that pumps fuel. That usually identifies one.
When fuel is not coming out.
A number of things come to mind:no gas in the tankclogged fuel filter (stops fuel flow completely)blown fuse for fuel pumpfuel pump diedIts broke. replace it.
Have a fuel pump pressure test done.
Have the a fuel pump pressure tested.
how do you know if your fuel pump not working 1983 ford 250 an how do you change it
Is it an electronic or mechanical