from the people i've talked to with tunes, they say their car runs fine. the people without tunes have this issue. i even had it when i took the airbox resonator off. i wish i could get a tune so i could tell you if that is the case, but i'm low on funds
2011 Blue Flame Focus SES #011
December 2011 ROTM Winner! :)
I always take a poo before driving to reduce weight and increase performance
you tell me your auto is fun to drive, I laugh in your face.