s14-obd1

Just bought my first s14 and im having problems I have a 1995 240sx s14 but its obd1 and I just got a new motor swap stock tho ka24de and now my fuel injectors are stuck wide open changed injectors and everything new fuel rail everything no codes but im seeing on the scanner my injectors are fully open I just need help asap or else im throwingnit out lol I think I may need a new ecu but I cant find a ht obd1 s14 ecu some one help please! Need on for sale or a sloution!