1990 ST184 Engine Light
Hi, I am rebuilding a 1990 Celica and after replacing all vacuum hoses, distributor, injectors, oxygen sensor, fuel pump and filters as well as overhaul the throttle body my engine light comes on when cruising at 80km. The errors are 25 and 26 - Air/Fuel LEAN and Air/Fuel RICH! Does anyone have any ideas of where I can look to fix this very annoying problem?