will crank, wont catch. (no start) RESOLVED

[g300d]

Drove home, pulled into garage, turned off engine.

Decide to move the truck a bit closer to the wall, crank but no start.

Put the gas pedal to the floor and cranked, engine caught just barely, was maybe 400rpm. Died as soon as you let off the gas.

My laptop with INPA is at work and will bring it home and scan tommorow.

In the meantime, what do y'all think it will be?

ETA: Resolved.

*Scanned with INPA and no codes except for MAF, which I expected since I unplugged it while trying to start the other day.

Activated the fuel pump relay via INPA and it was clicking fine.

Removed the top engine cover to access the fuel rail shrader valve. Pressed the valve in and a dribble of fuel came out.

Had someone press in the valve while turning the key to position 2. No increase in fuel flow, looks like pump isnt priming.*


*Put in a new fuel pump, started right up.*