Most vehicles today use a rev limiter. Some use a fuel shutoff. These are controlled by the ECU.
If the electrical power is shut off to ANY electrical motor, it stops running.
They don't 'shut-off,' but they are limited to about 120 from the factory.
Thermal switch. Likely caused by limited air flow to motor or bad bearings in motor.
shut off the engine
It doesn't need a shut off valve. In fact only Ford Motor Company installs fuel shut off valves in their cars.
when my car did this it was a blown fuse
If the chip that tells the engine what to do overheats , the car will shut off. Most cars do not have such a devise.
Have your blower motor resistor or blower motor checked out
sorry it is not.
Generally automotive blower motors are designed to run on the lowest speed even though the heater is turned off. The purpose is to circulate fresh air into the cab.
An air-intake engine shut-off valve regulates air-flow to the motor, and operates as an emergency shut-off valve. There are also shut-off valves on water hoses, so shut-off valves really control the inflow of any liquid or gas.
shut off the engine