Ford Expedition Forum : “where are the spark plugs”
where are the spark plugs
where are how do you change the spark plugs in the 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
Ford does have a history of spark plug problems (although they completely deny it) in the the Expedition and F-truck series. A class action lawsuit was filed in California urging Federal Officals to force Ford to recall about 17 million vehicles because of the spark plug defect.
When changing the spark plugs you will need to buy the special tool to do this, the sparkplugs are hard to get in there and very easy to cross thread. My husband and I are very big Ford fans, but the spark plug problem you mentioned just happened to us. We are very disappointed that Ford will not take care of this. It took everything we had to get this truck and now it has yet to be fixed(almost done). So be very careful and don't force it. Good Luck!
The spark plugs are located on top of the engine down inside the head. They have what is called a coil on plug setup. There are no spark plug wires.The coil sets right on top of the spark plug and it goes down inside the head and is each one is held on by a 9/32-7mm bolt. There are 4 per side.