po148 code, little help.

[2000_fummins]

Truck seemed a little hesitate in 3rd gear an od. I know it's not the trans. Finally decided to see if I have codes an I do. Just that po148 code. Witch is for fuel delivery. Truck is completely stock so I'm kind of leaning towards junk in the tank, or lift pump is slowly going bad. My question is what would be the steps to take so I'm not just throwing parts at it? I do need a lift pump anyway so that's already ordered.

 

[2000_fummins]

Cleared the code an it's staying off for the moment. That was just a quick drive for lunch , probably not out of first gear. From what I've read the code would come back as soon as cleared. Really leaning on lift pump going