One problem related to steering rack and pinion has been reported for the 2011 Ford Mustang. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2011 Ford Mustang based on all problems reported for the 2011 Mustang.
My 2011 Mustang when driving at around 40mph the traction control light come on and the front end starts to wobble it don't happen all the time. I took it to have it check and was told the rack and pinion needed to be replaced. The don't have but 56000 miles. I did some research and found out Ford recall several vehicles with this same problem. From what I found out that it might be a heat over the electric gearbox.