The motor of the electric car is broken, and the repairman said that it can be ridden with a four-in-one controller. Will it?

Yes, since the repairman said so, it is certain that he concluded that your motor is just broken in Hall, so it would be good to change it to a controller without Hall. When you say four in one, you are omnipotent. It's 36.

48V

General purpose without hall

But certainly not as fast as before. The second is to change the motor to Hall.