Replace ECU for Libero 4WD

[kosm]

Hi. Can help me? My original ECU (MD197781) is dead. I replace it to MD174840. Engine run but work not stable - turn float and light "check engine". What ECU I can install on my engine (4G93 SOHC) and I can do make with it ECU MD174840?
Thanks!

 

[kosm]

Full number original ECU - MD197781 - E2T38971
What analogue I can install to my Libero?
Thanks!

 

[ttiempo]

tienes la ECU MD174840 necesito una