Cranks won't turn over. Ruled out fuel pump and alternator

Good morning,

You need to test the actual pressure from the fuel pump to the injectors. You can rent a tester at a parts store.

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

Fuel Pressure .................... 53 - 59 PSI

https://www.2carpros.com/articles/car-cranks-but-wont-start

You need to test for the spark to be sure the plugs are firing.

https://www.2carpros.com/articles/how-to-test-an-ignition-system

You need to check compression to be sure the timing chain is correct. You should have 140-160 pounds.

https://www.2carpros.com/articles/how-to-test-engine-compression

Can you hear the fuel pump run when you turn the key to the on position?

Roy