Here is link to FSM. http://www.main.experiencetherave.co..._manual_scans/
Try the search function you'll probably find some threads with pics.
If you don't find anything, get back and we'll try to give you a step by step.
EGR is very simple, the IACV is a little more involved, but not hard.
Add your 97 L to your profile so we'll know what car you may be referring to.