HOW DO YOU CHANGE THE SPARK PLUGS AND WHERE ARE ...
1999 FORD EXPEDITION
How do you change the spark plugs and where are they located at?
Wednesday, November 14th, 2012 AT 1:40 AM
These plugs are very deep in the engine and require very specific tools and methods to remove. They are very prone to breaking off in the engine. You need to take it to a shop and have it done. It can be very costly if you try to do it yourself.