Question about 2003 Ford Expedition
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Posted on Jan 02, 2017
if you replaced fuel pump i would look at backward wiring when replaced and i would start at the source of work if your vehicle was working fine before replacement then 9 out of 10 it will be your fuel pump wireing
sometimes when putting wireing back together the connectors have the missing clip and in turn you can turn the wireing in both directions now where positive is touching the ground on both sides of connector kris kross problem check your work this is crucial use a test light to find the right wires where they go
Posted on May 26, 2008
the fuel pump and radio are not on the same circuit, most liokely the fuel pump is shorted, that is the most common cause, get under the truck and disconnect the fuel pump connector at the tank, if the fuse doesn't blow then u need a new pump.
Posted on Dec 05, 2009
Check to make sure the inertia driven fuel cuttoff switch is not disengaged, it is located on the passenger side kick panel just reset the button in the little hole.
Posted on Mar 25, 2010
SOURCE: Fuel pumps not working. Have
When you turn the key to "ON', or "START" the fuel pump should run just enough to pressurize the system, and shut off. When engine is actually started, the pump will run continuously. Sounds like the pump relay is not getting the signal to run the pump from the key being turned to "on" or "start". Also, some vehicles can sense fuel pressure so there may be an issue with that sensor as well. In other words it thinks there is proper pressure or maybe too much pressure and wont let the pump run. I am curious to know what you find.
Posted on Aug 20, 2011
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The relay and fuse for the fuel pump are located in the engine compartment
near the battery.
Fuse #9 20A* Powers Fuel Pump Relay
The relay is marked "Fuel Pump Relay" use the box lid to ID the relay position
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