not starting

I have a 2005 sunfire that will not start. i drove it to work just fine in the morning, but when i got off work it would not start. The engine will crank just fine, but it wont fire. you can hear the fuel pump when you first turn the key, so i know its not a pump problem. Anyone have any...

I have a 97 Firebird Formula LT1 that will not start in very hot weather when the car has been parked sitting in the sun (not hot engine). When you turn the key, nothing happens, no cranking, no clicking, nothing....but the lights, stereo, windows, everything works fine. When the outside...