Car Stalling and won't restart for 30+ minutes on 1997 Buick Regal

My 1997 Buick Regal recently developed a stalling problem at 105,000 miles, due to recent other troubles I've replaced the ignition switch, fuel filter, spark plugs and wires. After it stalls I can it sounds like it's trying to start, and I can hear the whine of the fuel pump when I turn the key in the ignition.

Asked by for the 1997 Buick Regal
The answer as found by my local dealership was the Crank Position Sensor.
we replaced it and it does the exact same thing it did before the 3 days of work we did to get old sensor out an get new 1 back in this DID NOT FIX OUR CAR any other suggestions everything else was replaced were lost as to what to do next