At higher mileages, (125,000-150,000) the automatic transmission may not shift correctly. This can be caused by the throttle position sensor being out of adjustment or a shift solenoid needing to be replaced. Typically the transmission does not need to be completely overhauled.
Automatic Transmission May Not Shift Correctly at High Mileages on Toyota MR2
Average mileage: 145,004 (130,000–160,009)
Drive Train affected: Automatic Transmission
8 people reported this problem
1991 Toyota MR2 - Automatic Transmission 130,000 mi, Visitor
overdrive not working
1992 Toyota MR2 - Automatic Transmission
transmission feels like it is slipping then will catch and sometimes not catch at all and leave me in the middle of a turning street light intersection -__-
1993 Toyota MR2 - Automatic Transmission 160,009 mi, Visitor
Not down shifting when pedal to the medal. Slow acceleration low rpm. Loss power.