on my way home last week stuck in traffic on I66 doing about 15 mph. I heard a thump and the wrench light on the dash came on. engine was running fine no other lights present. so I continued to the house but noticed it was shifting allot harder. I stoped for beer and when I restarted the car the light was out but still had the shifting issue. I took it to my mechanic so he could plug it in the next day. I called him later on and he said all the codes where pionting to a burnt belt in the transmission. He said when they took it for a test drive its like its missing 2nd gear. He has a guy from the ford service center in F-burg comeing out to look at it. I know this is going to cost me. the warrenty is 5/60 and she has about 63.
Any advice from the ford service guys would be greatly appreaciated.

 

just called my mechanic. he gave me the list of error codes he got while troubleshooting the yellow wrench of doom. they are as follows. P0731, P0734, P0735, P0745, P0791 and P0716. anyone out there familure with these codes?

 

P0731 Improper Ratio for First Gear
P0734 Improper Ratio for Fourth Gear
P0735 Transmission problems
P0745 Pressure Control Solenoid Electrical Malfunction
P0791 Intermediate Shaft Speed Sensor A Circuit
P0716 Input/Turbine Speed Sensor "A" Circuit Range/Performance

 

source

http://www.latemodelrestoration.com/...-SVT-Lightning