Have a new battery, new plugs, gas filter and air filter changed 2 weeks ago. The car would not start crank. Could this be the crank position sensor?

Sounds more like you have a bad starter. If possible, jack up the front of your car. Locate the starter. Have someone hold the key to the ON position like they are trying to start the engine. While they are holding the key, rap on the starter with a hammer. If the car suddenly tries to start, that means your starter is shot. Time for a new one. If it were the crank position sensor, the car would still crank over. Typically, when the sensor is bad, the car will start, die, and not restart until much later.