Remove engine cover, determine which coil is bad or better yet replace them all. Remove the electrical connection from ignition coil, remove 7/32 bolt from coil (be careful not to drop),pull coil from top of sparkplug and remove.
Here is the number three coil pack located?
On a 2003 Ford Expedition : It has the Coil On Plug ( C.O.P.) ignition system with ( 8 ) individual coils firewall 4 - 8 3 - 7 2 - 6 1 - 5 front of vehicle
How are the coils numbered
On a 2003 Ford Expedition : It has the Coil On Plug ( C.O.P. ) ignition system with ( 8 ) individual coils firewall 4 - 8 3 - 7 2 - 6 1 - 5 front of vehicle
firewall 4 - 8 3 - 7 2 - 6 1 - 5 front of Ford Expedition ( 5.4 liter V8 )
The Coil On Plug ( C.O.P. ) ignition system uses 8 individual coils for both the 4.6 and 5.4 liter V8 engines on a 2003 Ford Expedition firewall 4 - 8 3 - 7 2 - 6 1 - 5 front
unplug the unbolt, and replace them with ford expedition coil overs the same year.
The 2003 Ford Expedition has the Coil On Plug ( C.O.P. ) ignition system so there is no distributor or distributor cap It has ( 8 ) individual coils for the ( 8 ) sparkplugs
alittle. its in rear of motor near firewall
the HEATER CORE can be removed by removing the dash. how do i ghange the dash
FIREWALL 4 - 8 3 - 7 2 - 6 1 - 5 FRONT
firewall 4 - 8 3 - 7 2 - 6 1 - 5 front