Check under the hood decal info.
The recommended spark plug gap for a 2003 Ford Expedition 4.6 is .054"
Engine misfire. Possibly a bad coil or spark plug.
In a 2002 Ford Expedition : ( No , not really ) both the 4.6 and the 5.4 have the Coil On Plug ( C.O.P. ) ignition system , but there is a connection between the individual coil and the spark plug
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
at each spark plug
Ford Expedition.
There 8 Spark plugs not 4.
firewall 4 - 8 3 - 7 2 - 6 1 - 5 front
No , both the 4.6 and 5.4 liter V8 engines in a 2000 Ford Expedition have Coil On Plug ( C.O.P. ) ignition systems
Driver's side front
The spark plug gap, for your 2004 Ford Taurus 3.0 liter engine, is .009. Most spark plugs will come pre-gapped.
Passenger side , 3rd plug from the front