you know it could be the ecm the computer. that controls everything my car blew the ign coil fuse .i replaced it blew again . replaced it two more time got car home. played with the torque converter relay it did not help the car would run then while driving engine shut off. turn on shut off.for about a second. put relay back on then check speed sensor. but this shows you how much of a pain in the ass the computer is.