i have this weird issue where my car doesnt feel up to the power it should at all and it feels like its climbing steps like it goes n drops off goes n drops off when i get on it.. then today in traffic my car would stay idled at 2200rpm and sit there for a couple seconds never happened before then drop down to normal n strugle a little bit then would be fine then it would idle weird sitting at a light like it was struggling the check engine light came on today after i gave it a oil change i used mobil 1 with a mobil 1 filter its the first time i went outside of audi specs could this be the issue, i changed my spark plugs(cheaper ones) like 10-15k miles ago and changed all my coil packs about 3 months ago with the new revised version of ecstuning and i cant take it anywhere untill monday and i got school tomorrow i hope it will last there and back if anyones got any ideas help me out im thinking spark plugs but i dont know much on audis i just dont get the high rev at 2200 while sitting still with the clutch in im lost!