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.

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.
1 more answer
approx 50lbs key on eng off may go to 55 thats ok. even if pump is running its poss there is not enough pressure
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