Toyota Sienna owners have reported 542 engine and engine cooling related problems since 1996. Table 1 shows the 31 most common engine and engine cooling problems. The number one most common problem is related to the vehicle's engine and engine cooling (174 problems). The second most common problem is related to the vehicle's gasoline engine (45 problems). For details of each of the problem category, use the links in the table.
The contact owns a 2014 Toyota Sienna. The contact stated that while driving 70 mph, there was an audible alarm coming from the vehicle, alerting the contact that the door was ajar. The passenger’s side slide door opened independently while the vehicle was in motion. Read details...
2001 Toyota Sienna le, purchased new, started having problems. "check engine" light came on when vehicle had approximately 25,000 plus/minus miles. Under warranty, Toyota dealership replaced the oxygen sensor without a charge. Read details...
Driving my 2008 Toyota Sienna and it felt funny and I heard some rattling from under the hood. No idea what the problem was but I knew that something was definitely wrong. I checked the oil and the dip stick was completely dry! I put in a few quarts of oil and it came out all over underneath the Read details...
While driving with my autustic children the check engine light, the vsc light and the trac off light all came on and the wheels locked up on the right side and through the van into a ditch. This is very dangerous since this vehicle was made for families. Read details...
While driving I heard a noise coming from the engine. I stopped and park the vehicle, opened the hood an noticed oil all over the bottom part of the engine. (oil leak or seep from the engine oil cooler pipe). I purchased this vehicle from a Toyota dealership in stanford CT. Read details...