crankshaft senor

I have a 2000 Pontiac Grand Prix SE 3.1L 4T65E Transmission that after approx 10 minutes (give or take a few minutes either way) just shuts down as if someone turned the key off, except it's still in the run position and the lights in the dash come on. I'm at wits' end with this thing and am...

I am told that both my Crankshaft and Camshaft sensors are bad and need to be replaced. Is this possible? Vehicle works fine. I guess I need to buy a code reader, California doesn't allow AutoZone to give a hand with code reading. If this is possible, could someone give some advice on the R & R...