I agree with Knuconceptz totally.
Listen and take notes, he is using his time to actually explain to you what is going on in a system, not just telling you that it is without a why. Sounds like he has alot more of experience in this field than most of us.
Jason
00 Audi S4, 2.7 Bi-turbo quattro

01 S10 Xtreme, 4.3l
98' Contour SE with some mods
96 Cavalier (beater)