Soft, Early, and/or Mushy 2-3 Upshift

SOFT, EARLY, AND/OR MUSHY 2-3 UPSHIFT
1. Improper fluid level.
2. Improperly tuned engine.
3. Damaged or improperly adjusted linkage.
4. Valve body bolts improperly torqued
5. Burned or worn direct clutch assembly or reverse/high clutch.
6. Damaged accumulator.
7. Dirty or sticking valve body.
8. Bent, sticking, or leaking vacuum diaphragm or TV control rod.