99 cobra w/ t56 speed issues!

ajhend88

New Member
Apr 16, 2021
1
0
0
33
Illinois
hey guys!
new to the group, but looking for a pretty specific solution to an odd problem.

I bought the car about a year ago, the speedo never worked but I had more pressing issues to fix (reverse lockout, oil leaks). Now im on the rough idle, I have replaced the iac, coils(even though i still have a coil code) and dying has been fixed. But now about 1 time every I drive it dies coming to a light. I think it has to do with my speedo not working/speed cal/t56 swap. I have code p0720, but I replaced the speed sensor already. I have an x4 also. Any help would be great! ive exhaust my knowledge on it and need more! thanks!
 
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