The car motor was humming in what seemed to be a normal way.

This is a valley that has never heard the roar of a car motor.

At home that night, he closed the garage door and left the car motor running for a time.

A car motor started up, then he was gone.

A more down to earth scenario where value can be created is by monitoring the health of your car motor.

Then the sound of a car motor starting in the parking lot.

He gave an order to the driver, who switched off the car motor.

It was the purr of a car motor, on the hill.

He cut off the car motor, and climbing out, listened for a few minutes.

Find someone who has done a tune-up on a car motor.