I went to store this evening when I came out of store truck will not start. Turns over ok but does not start. How do I check fuel pump.

Hey, just so you know, I'm 99% sure that nobody here is a mindreader!
No info on the truck? The year? The model? The engine?
You are probably frustrated and forgot, right?

A quick blip on the fuel rail Schrader valve will let you know if you have fuel pressure...or if you are out of gas!A pressure gauge is best on the same port though.

Treed.
I need to type faster.

As already stated, more info on the vehicle would help.

As far as if the fuel pump is working, there's a test port (schrader valve) on the fuel rails that if you pull the cap off you can depress (push in) the schrader valve (like a tire valve stem) and if there's fuel pressure gas will spray out (or if you have a pressure gauge you could hook it up to the port).

That's the easiest way to see if you're getting fuel on a fuel injected engine.

Beyond that more vehicle info is needed.

It is a 2008 Ram 1500 with a 5.7 Hemi. I guess I should check power at the gas tank and see if it is getting power. Where is the fuel pump relay. I have not been able to check anything yet I just got it towed home. Thanks...

I had mine conk out in my 275,000 mile 2007 Ram. A tech told me to whack the tank with a mallet. It worked and started and ran ONCE.
I bought a stock replacement pump and he swapped it in in a couple of hours. I figured if the stock pump lasted this long, another OEM pump was a good way to go.

The relay should be in the fuse block/TIPM (Totally Integrated Power Module) under the hood next to the battery.

The larger black plastic box with the removable lid.


Here's a video of TIPM problems, the fuel pump relay is one of the problems.
https://www.youtube.com/watch?v=HcV5oAF1hM0

X2 whack the tank with a mallet while cranking. I'd say 7 out of 10 times it will start. BTW I just bought a '88 D50 4x4.