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There are ( 8 ) spark plugs with ( 8 ) individual coils with your Coil On Plug ( C.O.P. ) ignition system on a 2004 Ford Expedition with either the 4.6 or 5.4 liter V8 engines
There are 8 spark plugs and coils on the '01 V8 and 6 on the V6; for future reference, the engine type (V-6 or V-8) tells you how many spark plugs and coils are equipped.
A 2004 Hemi has sixteen spark plugs.
There are six (6) ignition coils and six (6) spark plugs for a V8 3.5 liter engine.
There is an ignition coil connected to the top of each spark plug...so if you have a 6 cylinder motor, you have 6 plugs and 6 coils.
8 coils16 spark plugs8 coils16 spark plugs
Many things can cause a snowmobile engine to back fire. Ignition coils ( spark plugs, coils) or water in fuel. Check these and maybe it will solve your problems.
4.7L has 8 spark plugs. 5.7L has 16 spark plugs.
Six.
6
8
Four