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How to replace fuel pump on a ford expedition 2003

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You would have to drop the tank ont this one. make sure you de-pressurize the system before you start. disconnect the lines going to the tank and put a jack under. loosen the bolts and drop the tank slowly.

Posted on Nov 14, 2009

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Posted on Jan 02, 2017

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SOURCE: 2003 Ford Expedition radio will not work

whats the radio serial number

Posted on Jul 03, 2008

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SOURCE: 2003 ford expedition

P0300 Random/Multiple Cylinder Misfire Detected
See all 300-series codes here: http://www.ford-trucks.com/article/idx/7/241/article/Ford_OBDII_Diagnostic_Trouble_Codes__P0300P0399__Ignition_System_or_Misfire.html

Posted on Dec 23, 2008

DIESELMUDDER
  • 2760 Answers

SOURCE: replace fuel pump on 03 Ford F350 diesel

simple : obtain replacement pump from parts provider (no used stuff)

Now help me out here: thats the year they were bolted to the pass side front of engine
and not inside the tank right? (better go look to see for sure)

using a tube wrench unscrew the fuel lines (i use large wire nuts to temp block off fuel leakage)

with a 12 mm wrench undo the two side bolts holding the pump to block

wiggle pump it should come straight off

clean mounting place on block with solvent let dry

silicone back (or use gasket that comes with pump ) of pump

apply pump to block (depending on where crank stopped you may have some tension on arm you will have to overcome to get flange to meet block )

use locktite (blue)or simmiliar thread lock on bolts retighten firmly but not hang up the dog tight

use light grease or vasolene on tube connections don't try to tighten dry

Now the fun part your diesel now has air in the fuel system

there are two ways to remove this ( hard and harder)
your choice here are both methods

loosten the fuel supply line for #8 injector ( I did not say remove) 1 full turn ought to be enough

crank engine 30 seconds only
wait 5 minutes for starter to cool down
crank engine 30 sec again
did it start but runs rough while it's still running tighten #8 injector (caution fuel under high pressure)
engine smooth out good your lucky
engine did not start yet
wait 5 minutes
crank engine 30 sec again
start yet
if so tighten #8 injector up

Now here's something I've done to my diesel to make this much less a hasstle

trace fuel line as it comes up from pump
obtain a small low pressure electric fuel pump and a two short pieces of fuel line
and a few clamps

use tube cutter and cut fuel line just before it bends to go in filter
deburr edges
slide tube and clamps over pipe (both sides)
insert pump observe flow arrrow towards filter

the wires of pump can be stretched over to #1 battery terminals

now any time you change a filter or open your fuel system for any reason
all you need do is connect pump to battery
open sharader valve on top of filter for a few min
and start truck as normal
then disconnect wires and stow away for another day

Posted on Jul 08, 2009

  • 708 Answers

SOURCE: 2001 ford expedition electric fuel pump went out.

unfortunately it is not easy to replace. the pump is inside the fuel tank therefore the tank has to be removed to replace the pump.

Posted on Sep 19, 2009

  • 6 Answers

SOURCE: 2003 FORD EXPEDITION PCV VALVE LOCATION

on my 2003 eddie bauer edition, the valve is on the passenger side valve cover about mid way. Mine had what looked to be three hoses attatched to it, but with further inspection two of the hoses turned out to be connected and just looped around the valve with a keeper clamp.

Posted on Jan 24, 2011

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2003 Ford Expedition is hard to start. I takes two to four turns of the key to get the engine to fire.


Could be fuel pressure loss.
The fuel pump is supposed to hold pressure when the engine stops.
If it falls to zero, you would have to cycle the fuel pump relay a few times to get it back up to start.
I would check the fuel pressure first.

Jul 20, 2012 | 2003 Ford Expedition

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I have an 2003 ford expedition that just stopped . i first changed fuel filter, fuel pump, cleaned injectors, changed filters, spark plugs, cleaned throtle, then had it checked further and tjhe mechanic...


Probably the inertia switch for the fuel pump..You owners manual should show you where its located..See if the button has pop up ..If it has push it back down until it clicks..If it wont stay down then hold it down and see if it will start..If it does you will have to replace it..If thats all good then check the relay for the fuel pump..

Sep 07, 2011 | 2003 Ford Expedition

1 Answer

Wont start the first time


have the fuel pump tested for a defective fuel pressure check valve, this valve is part of the fuel pump..

Mar 25, 2009 | 2003 Ford Expedition

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