The ecu does not require edis, it gets a reference from the crank sensor and plugs directly into the zetec coilpack and fires the pack on its own. comes with a basemap for a zetec that the company say will start the car and it will run fine on. Its pretty simple really, not much to it. I have even played around with the ignition advance on the laptop, moving it back a degree at a time then advancing it a degree at a time but the problem only seems to get worse. Engine compression tests cold at just over 10bar on all 4 cylinders