Originally Posted by Aero_SVT
I have had this same issue with my SVTF in the past. Is your focus a 2004? I'm a ford technician, and I was able to resolve the surging by a computer update. If you do have a 04' and dont have the most recent calibration. I would unistall Tom's tune and have the dealer update the calibration on the pcm. Labor rate is .4 hours for this job. so you will be most likely be looking at $75-$100 at the dealer.
Nah. It's an '02. Thanks though. I'm working on this datalogging thing.