94 Suburban Help

I have a 94 gmc suburban with a 5.7 tbi. I am having a problem with it I need help with, I've tried everything. It will start fine and run great first thing then after I stop somewhere and turn it off, when I try to crank it back up it pops and stumbles and keeps shutting off. Eventually it will crank back up then clears out and run great again. I've done an entire tune up, replace egr and solenoid and check timing and replaced tps. And replaced fuel filter.

Possible injectors leaking down after shut off, take the air cleaner oof and look at them, when you would normally expect this to happenpen. Btw, welcome to AF