Well, they informed me that all fault codes are indicating that the PCV is clogged. They are cleaning the system and replacing it. slated to pu the car this weekend. Advisor commented that all other systems, ETM, 02 sens., etc. were all within normal parameters, and this should be the fix. We'll see...

well, I went to another dealer who claims to get a lot of business from the dealer in my town... The surging got to be bad to the point of stalling instead of idling, at intersections, in intersections, etc. So, I got it to the other dealer, and they want me to pay for all diagnostic work/fault trac...

UPDATE: I unplugged the MAF and the engine continued to surge. Mind you, I only have 69k on the car, and the engine bay is cleaner than some interiors I've seen. I bought a new MAF, and installed it, (not hard to do). GUESS WHAT - It STILL surges. So it is the ETM after all, and the dealer won't rep...