No Start spark an fuel ok

[The_Mechanic_33]

2000 4.7 liter

Spark=ok,fuel=ok(50 psi)volume good too,injector pulse=ok,no codes(set code so I could check if scanner would read and alls fine with comunication).
Sync signal ok.

new plugs; engine cranks fine and floods just wont start.

Any new avenues I'm stumped?
Feel free to ask questions I might have some answers as I have performed other tests too.

P.s. I have Modis (snap-on) so I can also perform tests per your suggestions.

[The_Mechanic_33]

compression is 125 except on 4&8 which is 90psi.

[Benzman]

Starved for air?!?

Also, the computer is capable of shutting down the fuel pump for security purposes. But this usually shows up as car starts and runs for a few seconds until after the 3rd attempt. Then it won't even try to fire.

[The_Mechanic_33]

fuel pump is fine,as is the asd relay and circuit,and map,ect,tps,iac,grounds. Thinking computer is bad.
Thanks though.
Customer can't afford any more diagnostic time so truck will be gone soon.

[clutch492]

I have seen this myself. The ignition coil is weak. You will see spark, but it will be a white color spark. Don't be fooled. It is not strong enough to fire, under compression pressures. New coil fixes this. You will then have a nice snap and blue spark. Good luck.