One problem related to speed sensor has been reported for the 2005 Ford Mustang. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2005 Ford Mustang based on all problems reported for the 2005 Mustang.
My complaint is on my 2005 Ford Mustang. The speedometer and rpm went out a few years ago when it had approxiametely 40,000 miles when the warranty expired. At looking online there are many comlpaints on the same vehicle same problem. I called gene messer Ford and they said it would cost $99 just to diagnose problem. Apparently it appears that the clusters on these vehicles were not made to last. It is not safe to drive without not knowing your speed. My vehicle begin with the speedometer and rpm jumping around and not displaying right speed and then just stop working! we have replaced the transmission speed sensor and it is still not working. The fuses and relays are fine. So it has to be a bad cluster!.