Jaba
I'm not in any way trying to dis credit you or anyone on this forum. I'll put that straight right away.
Now for a blocked injector now remember what every injectoted engine is a quip ed with. It's called a fuel flow gauge. You don't need a fancy trended monitor or any thing. All you need is your fuel flow. Now I've said that what is resulting indication of a blocked injector.
Now sorry but you can all the simulation in the world on a computer but the information out is only as good as what is put in the first place.
Cheers