Yes
either your fuel pump is about to go out or you just have a noisy fuel pump but its because it is always pumping fuel when the car is running
No fuel in fuel tank (inaccurate fuel gauge), Fuel pump motor is running but not pumping (pump failure), Plugged solid fuel filter, Pinched or damaged fuel lines,
As long as the engine is running, the fuel pump is running.
your fuel line has a leak when the truck is running cus that's when it is sucking fuel from the tank.check your lines when its running to find the leak.
A car consumes fuel when it is running.
The fuel pump runs constantly as long as the engine is running.
Out of fuel? Pump not running?
Yes. Depending on the year of the vehicle and maintanence. Running out of fuel will make the fuel sending unit pull dirty debris from the bottom of the tank where it all settles. This entitles many things such as rust and gunk. Also running a car out of fuel is very harmful for the fuel pump, as the fuel cools the pump, and no fuel means no cool. Running it out of fuel once may not be to serious, but i would refrain from doing it repeatedly.
Yes, a lot of in-tank fuel pumps are cooled by the fuel in the tank and running the tank dry can destroy the in-tank fuel pump. A lot of discussions about this recommend not running the tank dry for that reason.
Running the vehicle with a partially clogged fuel filter. Continuously running it with the tank almost empty.
Clogged fuel filter or the pump is defective even though it is running. It may be running but not pumping any fuel.
on the fuel line running from the tank to the carb.