no, you will run a different ecu, prob the same as the 2i's, off hand i cant think of any codes for them but ofac and ofab is the code for the ecus used, and is only for the frst, no other EFI car uses them, escort or not

i cant see the co2 adjuster anywhere in them pictures mate

as for thread sixe for the ACT sensor, the sensor it self is a different thread, but ford fit a adaptor to make it fit, i.e if you buy a brand new sensor the adaptor is already fitted, so a s/h one should come with it too meaning it screws into the inlet with no other mod needed, and yes, the plug to the sensor can be cut off and changed to suit the frst sensor, which is a bosch sensor so can be got outside of ford but will not come with the adaptor and fords do not sell the adaptor on its own the sly fuckers