On a 1997 Ford Expedition :
The 4.6 has the Electronic Distributorless Ignition System ( EDIS )
It has ( 2 coil packs with four towers each for the spark plug wires )
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The 5.4 has the Coil On Plug ( C.O.P. ) ignition system
It has ( 8 ) individual coils
The are no distributor cap on the 1997 Ford Expedition. You have eight coil packs one on each spark plug.
4 8 3 7 2 6 1 5 Front
No , the Ford 5.4 liter V8 engine has ALWAYS had the Coil On Plug ( C.O.P. ) ignition system with ( 8 ) individual coils In a 1997 Ford Expedition , the 4.6 liter V8 engine uses ( 2 ) coil packs and ( 8 ) spark plug wires
some models have spark plug coil packs 1 per cyl.
Anwer
The 5.4L has 8 coil packs one on each spark plug. The 4.6L has only 2 coil block packs.
No they don't have distributor caps. They have coil packs. The 4.6L has two coil packs and the 5.4L has eight coil parks. ----------------------------------------------------------------------------------------------------- Actually , the 2000 Ford Expedition 4.6 also has the Coil On Plug ignition system with the ( 8 ) individual coils ( according to the owners manual ) like the 5.4 does
Should have Coil On Plug system. Each spark plug will have its own coil mounted on top
Auto Zone will rear your computer codes for FREE. If you have any bad coil packs they will tell you .
Auto Zone will check your computer codes for FREE. It maybe as simple as plugs,wires, or coil packs.
For a 1997 Ford F-150 , 4.6 liter V8 engine( It has 2 coil packs with 4 spark plug wires connecting to each coil pack )
On a 1998 Ford Expedition : The 4.6 liter V8 has the Electronic Distributorless Ignition System ( EDIS ) and it has ( 2 coil packs ) along with the ( 8 spark plug wires ) ------------------------------------------------------------------------------------------------ The 5.4 liter V8 has the Coil On Plug ignition system and has ( 8 ) individual coils