93 Prelude engine problems

This my first honda, I bought the car a couple of months ago with a h22a engine swap done. The engine only has about 60k on it, one of the cleanest engines I have ever seen. It ran fine for a while but now it won't idle and it hesitate's bad. The check engine light comes on and pulls the egr code. Can anyone explain to me the purpose of the blocking plate you can but for it? Any help would be great like I said this is my first honda and I am kind of lost.

Hi vtec and welcome to the forum!
I am not big help on the problems you described but I would suggest you to do a search on the problems you mentioned. I have seen a lot of topics on that.

Good luck,

Sam

My Vtec no longer opens up anymore, any ideas?

Did you even check the link superbluecivic posted? That would be a good place to start...find out what ECU you have.