Engine cranks but does not stay running

Let's take a step back and confirm what is happening. You said it will crank but it will not stay running. When you say "crank" you mean it will start but then stall? Normally when we say crank that means the engine will turn over when you are trying to start it, so I just want to make sure I understand what is happening.

If this is the case, the engine clearly is getting what it needs to start but not air, fuel, spark are not sustained in order to keep it running.

This means we need to start with fuel as that is the likely cause of a start and stall.

You may be correct that this is an injector issue but let's check the pressure and go from there.

https://www.2carpros.com/articles/how-to-check-fuel-system-pressure-and-regulator

I am also attaching the testing from the manual. Please take note of the last paragraph. It talks about a known issue with the pump intake hose so we may need to check that depending on what the pressure is.

Let me know what you find, and we can go from there.

Thanks