Okay so as some of you know, I have an rs with a 03 wrx motor in it. I've had it over a year now. the person who had the car before rolled the fenders and took the inner fenders out. sucky for me cause now, because the mass air flow sensor gets wet and then it doesn't boost. So i capped the air box at the fender and drilled another 3 inch hole on the front just for now, because i bought brand new fenders and inner fenders that ill put on in the spring. but now this is the big question, it idles rough - it goes from almost stalling to 2000 rpms and back down. I had it check out at the local garage and they couldn't find the problem either. so i don't know what to do. Also, the check again light is on, and that has never been on before. The garage said it was an idle air control code, but didn't find anything wrong with iac. Any ideas, thoughts, comments??