Camry 5th and 6th Gen '02-'11, Solara '04-'08
Car: 2007 Toyota Camry XLE, 2GR-FE engine, U660E transmission
Symptom: hesitation. It happens to varying degrees under all conditions, but it's most acute at lower speeds and accelerating from a stop.
History: The car has had 4--count them!--4 transmissions since I bought the car at 99,000...