[Pavilion]

Since it is a 2006 it should still have full warranty coverage. Go to your local dealer, and if no satisfaction, try another dealer. As a last resort contact Toyota Customer Service Hq. That is what they are there for. No need trying to trouble shoot this youself. Pick the type of day that is most likely to produce the symptons you are talking about and take it in. If purchased from your local dealer, you can drive in and have it's performance noted, even if they can not get it in for repair that day.