I've had the MDS off for two weeks now and the surge is gone.

I drive the same 100 miles roundtrip every day, same conditions, same traffic. I drive my car other than my commute a bit, but not much.

My car consistently registered between 19.5 and 20 mph prior to MDS off.

Past two weeks I am ...

I don't really want to, but..I've got to get rid of the surge.

I've been all through the options and all through the website, and I have ver 18. Am I just dim??? How the heck do you turn off MDS???

Step by step please...

Add me to the list...
Just installed the 91/CAI tune on my 300C, and while I appreciate the performance improvement, I am not at all happy with the surge impact on my daily driving :x
It's definately there at about 60 on cruise or not and also at about 30-35 with light foot on the pedal going ...