2002 Pontiac Grand Am starting problams,not security.

2002 Pontiac Grand Am Gt. 3.4
I drove the car one day and the next it will not start. I have power and gas pump is working.No security light on.Just cranks but will not start.The only thing I can think that was strange is the day before while driving it I stopped at stop light and all of a sudden my doors lock. I touched nothing.just was ideling at the stop light. Do you know what the issue maybe why It will not start now?

Half the battle in a no start, is making it happen......since your's won't, it should be easy......

I have power and gas pump is working.No security light on.Just cranks but will not start.

Spark, fuel pressure, and injector pulse have to be checked.....

If you have spark, spray carb cleaner into the intake, and have someone crank the vehicle.....if it runs as long as you spray, either no pressure or no injector pulse,,,,