They are on top of the cylinder head below the coil packs. If you are replacing them it will be BEST to use Motorcraft plugs and to put anti-seize on the threads.
on top of the spark plugs in the intake manifold.
i know if you have the 5.4L V8 you will have coil packs. not spark plugs
they are under the little circle black things which are called coils
The plugs are located on the inboard side of the cylinder head near the intake manifold, under or near the fuel injection rails. You do not have spark plug wires, but rather 8 separate ignition coils that sit on top of the spark plugs.
Screwed in the heads.
The spark plug firing order for the 4.2 L V6 engine is ( 1 - 4 - 2 - 5 - 3 - 6 )
COP system Coil on Plug. Coils are located on the top of the spark plugs
I believe the dealership gets 190.00 time and plugs
8
Check the Vehicle Emission Control Information ( VECI ) decal located in the front of the engine compartment ( it will show the type of spark plugs to use and the spark plug gap )
.052 - .054
Check the Vehicle Emissions Control Information ( VECI ) decal located in the front of your engine compartment ( it will show the type of spark plugs to use and the spark plug gap )