How can I tell if my fuel pump is still working?
How can I tell if my fuel pump is still working? To perform this test, you should connect the test gauge to the metal output line using a spare piece of rubber fuel hose and a clamp. Once the connection is sealed, crank the engine over for 20 seconds. This will provide a full pressure reading, letting you know whether or not the pump is still in working order. Why did I have to change the fuel pump? I had to change the pump because it had failed, no pressure or electrical humming. Make sure the fuel injectors are pulsing...