Just bought a 94 3500 with a 454 (Gas) and it seemed to run fine yesterday. Started it once this morning but now (Haven't tinkered with it, just washed the truck) it idles for a few minutes then dies & if you rev it up it dies right away. I'm stumped! Any ideas?

 

could be cap, rotor, bad wires, clogged fuel filter, bad fuel pump, ignition coil, ignition module......basically, ya gotta do some checkin. check for spark. get a fuel pressure tester and check fuel pressure at motor.

 

Same here, think you got something ignition wet. If so it probably will start after it dries out.