2002 Saturn SC1

Car stoped running today after a 60 mile trip while stpoed at the mailbox to get mail. It wont start back up. I did notice a little rpm flutter while on the interstate one time but thought maybe my foot sliped off the gas pedal. Only issue I have had for the 40K miles I have owned is that the car sometimes will idle high and rev up and down at stops, 1000-2500 rpm, like it is hunting. I am going to check for spark and fuel first. Any thoughts on what might have happened. I read your previous post about crank position sensor. Since its at the house I will have to tow/trailer it to parts store to get check engine code read. Thanks