exact number? the ecu # is f7cf-12a650-ad and it has the code nnn3 on the top. is their another ecu i can use or does it have to match exactly and if i cant find one how much to get a ecu flashed and were? supposedly this is what i need to get my car running again its a 1997 ford escort with a 2.0 dual overhead cam and a manual transition can anyone help plz