I ran an 85 ECU on an 88, and the 88 ECU also. ran fine with both. Dunno
All the research I read on injectors for toyota's had this listed. But I never tried it. That's just what I found. Cause I was trying to figure out what would work on a 22RE from a 22RTE. And the injectors and ecm wouldn't, along with a few other minor items.
