starts fine but dies after running for a min

i have a 1994 grand prix with the newer 3100 v-6, it starts fine but after running for a min. it dies... but it starts right back up, but if you sray throttle body cleaner in it, it stays runnin.... i changed fuel pump, filter,cam sensor,both crank sensors, oil pressure switch, fuel regulator,sent the computer to get reprogrammed(flashed),check the voltage at the injectores(getting 12.3-12.5) to all.....any suggestions?:banghead:

Have you tested fuel pressure (with a guage) and for loss of spark when it dies? Just because you changed the fuel pump doesn't mean it's not the problem, especially if you bought a generic Master or Airtex pump, as they are problematic. Also, it could be an ignition module or coil(s) failing.

i finally found out what was wrong with it.... i had a short in the wireing in the fuel injector wireing harness...

That seems to be sorta common with the 3100...I've noticed mice like the area under the plenum.