Once in awhile the car will not start. Why? Could it be distributor?

When the vehicle will not start, it's important to assess the operation of systems: Fuel Ignition Air Intake Emissions controls What's missing? No fuel? No spark? Air flow concerns? It's good that the problem happens readily, in a way, as you can have the vehicle tested accordingly. Use this link to find some shops near you that can help with your concern: www.repairpal.com/repair-shops