Call any parts store and they can quote you a price.
http://www.ehow.com/how_4509339_replace-ignition-coil-pack-ford.html
Ford uses a distributorless ignition system or D.I.S. It does not have a distributor. it has a coil pack.
Bad coil, a new one fixed my 2004 2.0
opposite end of the spark plug wire from the spark plugs
it depends what year of ford focus.up to 2oo4 there is one unit with two coils. each coil is for two cylinders. for 2005 each cylinder has a coil placed above each cylinder.
Alternator
Actually , there isn't a distributor , it has a Coil On Plug ( C.O.P. ) ignition system
The Ford Focus RS would be much much faster than the Hyundai i30.
how much horse power does a 2003 ford focus ZX3 have
Check the crankshaft sensor and ignition coil on the Focus. It appears that one of these may be failing as it heats up.
How much does labor cost to replace a shift solenoid in a ford focus?
don't