truck wont start, getting spark and fuel, turns over wont catch

no i have not to all your questions, that is probably above my skill level. i have now replaced the cam sensor. no difference. wondering if crank sensor i changed is bad, ran fine for a week after changing it?

probably best to get a shop to look at it. may be less expensive in the long run.

took icm and coil to have checked, both were ok(icm was replaced 2 years ago). changed pcv seeing as it was only thing not changed now. put it all back together and it started, rough, then smoothed out, still has a slight flutter in rpm. now wondering if i have a bad wire somewhere. so yeah, if it stops again i think it will be time for a pro. but thanks everyone for the advice.

Persistance is a good thing most of the time , and in your case , sounds like it was worth it. Internal vacuum leaks/resrictions can be hard to diagnose in person , online is even more fun. As for the remaining 'flutter' , maybe re-check plugs (my opinion-OEM is best) for any fouling that might have occurred prior to replacing the PCV valve and replace as needed. Again- my opinion- don't waste time cleaning there's more to a spark plug than meets the eye-litteraly.