How much psi should my fuel regulator have. Where is my in line fuel pump. on 2006 Chevrolet Silverado 1500

I was driving down the road and my truck just shut down like I turned the key off. Don't know where the in line fuel filter is or if this truck has one. My truck is a 2006 Silverado LT2 1500 2WD crew cab. I tried to start the truck but it acts like its not getting any gas. It wants to start but doesn't.

2 answers
Easy fuel pump check, listen at filler neck with cap removed while helper turns key on to see if you hear pump run for a couples seconds.
approx 50lbs key on eng off may go to 55 thats ok. even if pump is running its poss there is not enough pressure