At first, my car was getting multiple / random misfires, replaces all plugs and coils and it went away. Car is stuck in limp mode and Now I got p2128 / p2123, I’ve replaced throttle node and petal position sensor and still in limp mode. I’ve just unhooked the battery and hopefully I just needed to reset something and made that will do it. I have no idea what to do, please help me.

 

One thing you can try is an idle relearn procedure: