You check for power at the pump. If you have power and ground, the pump is bad.
If no, then you need to check the wiring including the fuse.
i need to know where is the fuse locatded?
Need to know the year and what you are working on.
How do you change the fuel filter on a 1992 Chrysler New Yorker? Do you need a special tool to remove the quick disconnect? How do you change the fuel filter on a 1992 Chrysler New Yorker? Do you need a special tool to remove the quick disconnect?
Need to know the year, make and model vehicle to help you.
I need to know where my fuel pump cut off switch is at. I don't have a book on my car and i need to know if it is a fuse to stop the gas from flowing.
Need to know what year you have, it makes a difference.
Need a fuse diagram for f150 1991 4x4. Check the drivers manual, that info is in there.
well you should be able to hear the fuel pump humming or buzzing from the filler tube on the tank while the ignition is on run then if not check the fuse and relay for the fuel pump if there good then you know its the pump
Need to check FUSE for the fuel pump in the fuse box. And you did not say what you are working on.
Need to know which sending unit, there are several, oil, temp, fuel,
Need to know the engine. The multiplexing varies between engine models.
It could be a bad fuel pump and a bad coil. You might need to change your spark plug wires as well.