Mechanics

FUEL PUMP

1988 Ford F-150 • 158,000 miles

Front fuel tank not working, how do I know which fuel pump is not working?
Avatar
Bobby clements
April 22, 2013.



You said the front, so I assume it is the pump in the front tank. There is a separate pump in the rear tank as well.

Roy

ASEMaster6371
Apr 22, 2013.
Actually there are 4 pumps on this truck, 2 per tank

Tiny
Bobby clements
Apr 22, 2013.
One in the tank and 1 out of tank, what can I do to find out which pump is not working

Tiny
Bobby clements
Apr 22, 2013.
Voltage testing at the pumps.

Roy

ASEMaster6371
Apr 23, 2013.
So what is voltage testing gonna tell me?

Tiny
Bobby clements
Apr 23, 2013.
If you have power necessary for the pumps to even operate.

What is the pressure on each tank?

Roy

ASEMaster6371
Apr 23, 2013.