My truck started quitting over 3 years and I replaced everything I've replaced

What is your question?

The PCM twice and the fuel pump and fuel filter and crankshaft sensor the engine wiring harness with fuse and relay box. Starter and battery alternator and. But it's been sitting for over a year the steering column antenna for the PATS security system. And it will try to start if you spray starting fluid in the throttle body. I got 2 camshaft sensors. I haven't put on yet. It's firing and compression but I think the fuel injectors are not firing. I need help I'm just doing the shade tree mechanic I've been just replaced piece after piece and the locksmith has been out 3 times.