Ok guys last week I had a cel. I put a scanner on the car ,and to make a long story short the code: p0174 (which is bank 2 O2 lean) had nothing to do with it. Because of this board and all the people on it I was able to find the problem (k+n oil on maf) and fix it for free. So Im going to try to give back a little.
When the scanner was on the car I saw the intake temp sensor was reading 116. WOW. Now for the free relief- pull the rubber gasket off the cowl. The one that stops water from coming in by the windshield. ( youll be fine w/o it.) Next on top of the grill (oval on the front end) youll see a rubber stip if you have the hood open. Pull it off. I know its not much and some of you probably have done it already but the more fresh air coming in and the more hot air going out the better.
REMEMBER- free.
PS: stock S4s dont have anything on SVTs
I know first hand