Whoa... don't try to do this yourself if you don't know or have a clue on what your doing. I've taken off egr systems left and right and its fairly simple actually a breeze. As far as the plate is concern I usually just put some high temp silicon sealant and put it on and wait till it ahere's good. There's a lot of vacuum lines you can eliminate but none fuel related. Anything fuel related does not get capped off... fpr line, etc. There's also selonoids you eliminate as well.