i have a 2004 ford crown victoria has 120.000 miles its police car my crown victoria have triny problem morning time shift fast gear with shutters ofter mile a drive the car shifting normal for rest of day when i keep start my car in morning time for 10 minuts before leaving to work than shifting normal when is triny cold not shifting well the trans oil is good with normal lever i checked out

can anyone help me out with this pro?