CarsonChris
New member
- Joined
- Apr 1, 2011
- Messages
- 50
- Reaction score
- 0
- Points
- 0
- Vehicle Year
- 1990/87
- Vehicle
- Ford
- Engine Size
- 4.0/2.9
My transmission doesn't always run right. It will miss the shift up. Take my foot off the gas and it engages. Doesn't slip while in gear just misses going up. What is the cause of this? Should I change the fluids and the filter? A full on flush?