Question about 2001 Ford Expedition

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How to change spark plugs in 2001 expedition 5.4L

I have looked for a link to show how and have had no luck finding any thing to be informative enough.

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It should be no more complicated than any other truck. They are located on either side of the valve cover, which is hard to miss. You can follow the spark plug leads to the plugs. You also locate them beside the fuel injectors - follow the fuel rail.

Pul the plug leads/caps off. Using a standard plug removal tool, unscrew the plugs. Be careful to not let any dirt or debris fall into the hole when the plug is removed. I plug the hole with a clean rag. Use a plug removal tool (instead of a regular socket) as they have rubber padding inside the socket to protect the porcelein plug post from breaking off.

Also, its best to have a fresh set of plugs ready to put in when you remove the old ones as it makes for a quicker job and there's less likelyhood of anything getting into the cylinder while you go to the stroe for new plugs.

Hope this helps.

Posted on Dec 28, 2008

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1 Answer

Where is my spark plugs located on my 2001 expedition?


This site will tell you how to locate the spark plugs on the 01 Expedition
http://www.faqfarm.com/Q/How_do_you_locate_the_spark_plugs_on_a_2001_Ford_Expedition


good-day ! and I hope this helps out !!

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your oil change has nothing to do with your check engine light. probably needs spark plugs and a coil or 2

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I have a 2001 Ford Expedition 4.6 4WD. Service engine soon light came on and when checked at parts store diagnostics said cylonder #2 miss firing. Is this a coil pack because we can't find plugs,...


If you do not see a distributor or spark plug wires, then you have a coil over plug system. Changing the coil pack is as easy as removing the hold down bolt and lifting the coil pack off the spark plug. Other things should be checked like signal to the coil, the fuel injector signal and the spark plug

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These expeditions have a very famous TSB for the cops(coil on plugs) failing.When you replaced the spark plugs you had to pull these off before the plug came out, there is one per cylinder, and more than likely this is the problem.These run about sixty U.S. dollars a piece, and are very easy to replace.I hope I could help. Thanks for using Fixya!!! rate me accordingly

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My 2004 Ford Expedition 4.6l has a rough idle and occasionally backfires. My check engine came on and I had it diagnosed and it said it was the O2 sensors. I changed all 4 sensors and the mass air. I...


well i'm sorry that you got the miss information here on fixya. because all internal combustion engines need a pcv valve to operate properly.

now the information you got first is correct and pcv valve can set false codes like o2's and lean bank conditions also can cause you vechile to run or idle rough.

no there are a few different styles pcv valves and some times don't look like your convetional pcv. some are heated in different ways either by coolant ( witch look like a conventioanl pcv but with a coolant tube around them) then electricaly heated and they don't look like them at all. but one thing that has to stay the same is the pcv valve has to ventilate the crank case and will be found somewhere on or near the valve cover because it is the easiest and most accessible point of the engines crank case area. so i would look for that and usally on that vechile it is on the passanger side valve cover in the middle.

with that said and seeing you did all those repairs i would go right for that as my next step. but there is other thing that cold cause this issue like leaky injectors and is almost more likely becuase of the o2 sensor code and backfire. do you have the code # so i can look it up and best assist you?

see vechiles are hard to fix over the computer as i am trying so if you have any more question/info about this issue please ask and i will be glad to help.

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My was doing the same thing, it was an EGR valve and a misfire on the #2 cylinder which required a new spark plug and a coil pack
t

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My 01 ford expedition misses while going down the road


This usually where everyone goes first. I would go head and put a set of plugs in as this is an inexpensive fix and can't hurt. Just be sure the are properly gaped. It could be a number of things. Look at, coils for spark jump. Go out one night, open the hood, start engine. Make sure it's dark, no outside lights. Now, look for any indication of a spark jumping from any of the electrical ignition system. You can also take a spray bottle of water and spray a very fine mist around those same items. If the integrity is poor, it will jump spark. Don't overlook clogged injectors.
You got alot of investigating to do. Good luck.

Feb 27, 2009 | 2001 Ford Expedition

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98 Expedition # 3 Misfire


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Sep 17, 2008 | 1998 Ford Expedition

1 Answer

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).

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