Hello only twice now my truck has done this and its freaking me out. The first time i was taking a slow right out of a intersection and it stayed in first gear and did not shift...then today doing 65mph on the highway the engine started to free rev and acted like i was in neutral so I pulled over and put in neutral for 2 seconds and back to drive and it went into gear. And drove fine the rest of the day.....fluid level is fine and it doesnt leak a drop. When I bought it the tranny was rebuilt 20,000 miles ago and is still new looking(seals+painted factory grey, i know the mechanic who did the repairs and install before I bought it).

does anyone have any ideas where to look? never delt much with electronic trannys. Thanks.

 

Sounds like the TQ is coming unlocked.

 

It sounds to me like it's the Transmission Range Sensor (TRS.) I can't see how it could be the torque converter.

The TRS is the sensor on the driver's side of the trans where the shifter cable attaches. There is a wiring harness that plugs into the TRS. Replace the TRS and your problems should be gone.

 

Mark would know. He's the trans man.

I guess I should think about that a bit more. If it's Free revving, its obviously not the TQ. Doh.

 

Excellent just what i wanted to hear some external and easy...the wires do look like it was reused from rebuild...to save money? a friend at a shop did the rebuild for the PO. I checked it and the wires are spongy..i will get one at Ford and update this post. Just for future reference for everyone...thanks all.

 

When you post your update, feel free to provide the cost and part numbers for items you bought/replaced.