Just did this job. Had to remove the rail to change the back 2 plugs on the drivers side of the engine. Good luck. ---------------------------------------------------------------------------------------------------- I also just did this job. On the 1998 Ford Expedition XLT. 4.6L. You don't have to removed anything. Just a pain in the @ss to get your hands in #3 and #4. every other it was easy.. I don't know about the 5.4L...
On a 1998 Ford Expedition : The ELECTRIC fuel pump is INSIDE the fuel tank
How do you depressurize fuel system to install filter 1998 ford expedition?
how do i know the fuel pump is going bad in a 1998 ford expedition eddie bauer?
Inside the fuel tank with the sending unit for the fuel gauge
One
You do not need to remove the fuel rail to remove the spark plugs.
The fuel pump s inside the fuel tank. To change it you have to remove the fuel tank.
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The fuse that controls the fuel pump, on your 1998 Ford expedition, is located in the fuse box in the engine compartment. A diagram outlining each fuse is located on the inside of the fuse box cover.
Unfortunately, this is not easy. You have to basically take everything off of the top of the engine, all the way down to the fuel rail, to be able to access the rear spark plugs.
It is located in the fuel tank.