can anyone tell me why my 02 corvette wont start at times but the lights and

[playboypaul33]

all work? chevy cant tell me? i've taken the car to 3 different chevy dealers and they all give it back saying there's nothing wrong with it, but in 6 months of me owning the car it's done it twice now, the first was in the first week and it started after about an hour. the car has a clean title and 32000 miles on it, any suggestions for the next time it hapens.