Originally Posted by ericruiz911
Sounds like i have something similar to you. I have been smelling gas lately and thats when the rough idle started. Getting ready to do valve cleaning and plugs this weekend along with clean all my sensors. I will post back to see how that goes, if not then i will do some resets. If all else fails, the car is going to Active Autowerkes then to warranty because this B.S. for a $50k car.
Your issue sounds like a bad/leaking injector, which isn't terribly uncommon. That is not the same as the stumble issue from the OP.