Car won't run on HO firing order

There should be some bold letters on the sticker. Check out this site... http://fordfuelinjection.com/?p=2

well i would think it wouldnt be the ecu , it has to do with the wiring as far as the the way theinjectors fire.
Because on old school cars they use out al9 ecus to wire the up for injection . Alls they do is change the wiring around.
Do you have an ho cam? That would make a big differnce . If its a non ho cam change injector firing order around to non ho.