Just bought a 99 v6 5 speed car from a buddy and can’t get it to start.

here’s what I know
-new fuel pump and sending unit
-new fuel pressure sensor
-has 48psi when primes
-injectors are getting signal per Noid test
-new gas put in
-has spark
-no theft light flashing
-battery is new
-crankshaft position sensor ohmed out good
-no blown fuses
-will start for a second with starting fluid sprayed in tb

any help would be greatly appreciated.
Thanks so much