She would not in fact start the engine and drive away.
The man must be going to start the engine moving.
He got into the car, and once more started the engine.
She put her hand on the door as he started the engine.
He didn't start the engine until the car was on the road.
They got into the car, but he didn't start the engine right away.
He got back in the car and started the engine.
But for the moment he made no move to start the engine.
When we get into the car and start the engine.
He started the engine again and the car moved on its way.