Camarokid95

I recently completed a heads/cam swap on my 95 Camaro Z28. I started the car with the stock fuel pump and the car would start up at the turn of the key. I then installed a Racetronix/Walbro 255 Fuel pump and wiring harness to keep up with my 42lb injectors. When I try to start the car now it'll turn over and try to start, but not fire up unless I touch the gas pedal. It's not a huge deal, it's just annoying. Fuel pressure is at 45 with the key in the "Run" position and the pressure at idle is just a little lower. Car runs great when I get it running. Any ideas would be appreciated.