I have a 92 camaro that will start fine but after 30 seconds will start running rough like its not getting gas...lops up and down. If i press the gas pedal it will sputter and die unless I pump it. Does anyone have a clue as to what it could be. I have not changed anything on this car besides sparkplugs and wires and the car only has 35000 miles on it.

 

Have you checked for vacuum leaks?

 

I have looked for anything obvious

 

I tested the fuel pressure and there was hardly anything at all coming out. I am very suprised it even starts. If you had a bad pressure regulator would your pressure gauge read low fuel pressure?