I purchased a brand new 2013 Toyota Camry 2 months ago. The car keeps stalling out even while driving on a highway. I have almost been involved in a serious accident as a result. Toyota can't seem to get to the bottom of this matter. In the interim I am very frustrated as I am getting the run around between the manufacturer and the dealer. I plan on pursuing NJ Lemon Law in attempt to have my car replaced.
I had what sounds like the same problem.
Suddenly when I pressed the gas, it gave no power - right in the middle of the freeway.
It took three days, but the Toyota guys found that it was a defective speed sensor in one of the wheels.
(doesn't seem to make sense, but it does).
Haven't had the problem since.
Have them check those speed sensors if they haven't gotten to the bottom of it.