These plugs can be difficult, the plug design sucks and if you are not careful you can break them off in the head. Ford issued a TSB069-2008-1 on how to properly remove the plugs and also there is a special tool so if you break a plug off. My friends cost him 300 for a dealer to do it and saved a lot of time. Hope this helps you out.....
SOURCE: 2001 ford expedition spark plug location
That's because they are hidden quite well. If you look at the engine, you'll see yellow plastic prongs (?) that look like spark plugs, but hook up to the silver tubing. That's the fuel injectors. BUT, right behind the yellow plugs, are black ones. The black one is the connector to the spark plug. The plug itself sits about 4 inches down into the block of the engine. They are a real pain, and from what I can tell, you only have decent access to the first 2-4 of them, then they get too far back and start going under the dash (you'll see what I mean when you get there).
SOURCE: 2002 ford expedition how do
YOU MUST PULL ALL THE IGNITION COILS (DIRECT IGNITION) OF THE TOP OF THE SPARK PLUGS, IT IS A 2 HOUR JOB MINIMUM, I HATED THIS JOB AS A FORD DEALER TECH, SHREDS YOUR HANDS.
SOURCE: changing spark plugs
Changing the spark plugs on a 1997 Ford Expedition 5.4L engine takes patience. Remember to start this project on a cold engine! I started on the passenger side by locating the Coil over iginition coils and cleaned out all the old dirt using some compressed air. Then I had to disconnect the electrical connections to both the Coil over ignition coils and the passenger side fuel injectors. Once you remove the small bolt which holds the ignition coil in place, use your compressed air again to blow out the spark plug hole. After that, you will need a 5/8" swivel spark plug socket and various length extensions to remove the spark plugs. Take your time because there is not much room for your hands. Before installing the new plug, check the gap and use clean engine oil on the new threads. Tighten the new spark plug and reinstall the coil over ignition coil. Reconnect the electrical connection to both the ignition coil and the fuel injector. Continue these steps with all eight spark plugs. You will find the ones on the drivers side are difficult because of the fuel rail gets in your way. Have patience and use swivel extensions to work around the tight spaces. When you are done, you will have saved lots of money! Don't forget to replace your air filter, fuel filter, and pcv valve to complete your tune up.
SOURCE: replace spark plugs on a ford freestar
I have a 2004 ford freestar and it's missing a lot I changed the spark plugs and fuel filter. what else can I do ?
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