If your Focus has "jumped time," you need to move the timing distributor by going back or forward a notch (or whatever) on the timing belt, without moving anything else. Better done by a mechanic. PrecisionTune seems to have the fairest prices.
The Ford Focus 2.0L has a timing chain.
Timing CHAIN ( 2011 Ford Focus 2.0 liter )
The 2008 Ford Focus has a timing chain, not a timing belt. The Focus has used a timing chain sense 2005. Timing chains are designed to last the life of the engine.
A 2007 Ford Focus , 2.0 and 2.3 engines , have a timing CHAIN
Timing BELT ( for the 2.0 liter SOHC and DOHC engines used in a 2002 Ford Focus )
The 2.0 liter engine in a 2005 Ford Focus has a timing CHAIN Helpfull
The 2.0 litre four cylinder engines used in a 2010 Ford Focus have a timing CHAIN
No , both the 2.0 and 2.3 liter engines in a 2005 Ford Focus have a timing CHAIN
timing CHAIN
It has a timing chain.
A 2008 Ford Focus has a timing belt. According to the owners manual, the timing belt needs changed after 100,000 miles.
In a 2006 Ford Focus , both the 2.0 and 2.3 liter four cylinder engines have a timing CHAIN