Originally Posted by Blivit
One big consideration is that a 2008 Focus in most countries outside of the US is using a speed density based control system. The US Focus is MAF based. The processor itself is also physically different.
Originally Posted by SlickWilly
Hey, I see you have a HUGE rep on here, and are very close to me. Do you happen to work at CFM?
He works for SCT.
You may be able to read data with an ELM based chip, but you WILL NOT be able to program (flash) the ECU.
ELM based hardware/software is for diagnosis only.