Engine shut off at red light and would not start after that?

Hi,

I was driving normally and when I arrived at a red light starting to brake the car went off. And didn't want to start again.

The car will crank but not start.

I had to call a towing, tried to change the crankshaft position sensor, nothing new happened, maybe the camshaft position sensor?

Had no check engine before that.

Spark plugs are new, battery also. The timing belt was changed at 60,000 miles.

I am a bit lost.