Three problems related to engine exhaust system have been reported for the 2001 Toyota Sienna. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2001 Toyota Sienna based on all problems reported for the 2001 Sienna.
A known issue with these 3. 0 l v6 engine. Heavy smoke from the exhaust pipe. Visible oil sludge under the oil refill cap.
Takata recall. White smoke comes out of the exhaust when I start the car. Then smoke disappears or stay at low level during driving. Decrease oil. I put one quarter oil each week. Mechanics says it may head gaskit or seals. Costs 2000 and above to repair. If not better to garbage this vehicle. It has a clean title with 106k.
Consumer was driving and fell asleep. . After waking up the vehicle was in a ditch, and all the occupants were asleep in the vehicle. The exhaust system was to be inspected.