K11 CVT 1999 1.0 - question about computer

I have a huge problem with K11. For several months, the car has been going from mechanic to mechanic. I have a question: is it possible to put a computer from Micra K11 to Micra K11 with automatic transmission CVT?

I have already replace:
- spark plugs
- ignition device with cables
- throttle
- lambda probe
- filters

and still engine idling up and down and sometimes the car loses power while accelerating :(
 
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