Vehicles with automatic transmissions may exhibit a delayed 2/3 or 3/4 upshift when transmission fluid temperature is below 95 degrees Fahrenheit. Our technicians tell us this is considered a normal condition.Google+
Car Problem Reports
Mitsubishi 3000GT SL Delayed Shift With Automatic Transmission
Mitsubishi 3000GT SL Problem
Average Mileage: 149,500 mi (144,000 mi - 155,000 mi)
Visitor, 1995 Mitsubishi 3000GT SL, 155,000 mi
Have the same problem and still havent fixed it.