Tanks Jylppy61 to take time to answer.
I did your suggested research. Unfortunately they point to many sites I have already visited. Yet, i have not yet resorted to one of the solution: the regedit trick i am not enthused with. Many of the proposed solutions turn out to be not working for everybody.
I continue to investigate and to live with my current “senstitivity” awkward solution.
FYI the problem is complicated because it’s also mixed with the engine torque reaction which is a real thing but also probably overdone in FS2020.
Anyway thanks again.