One problem related to other fuel system tank assembly has been reported for the 2012 Toyota Sienna. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2012 Toyota Sienna based on all problems reported for the 2012 Sienna.
The contact owns a 2012 Toyota Sienna. The contact stated that there was a knocking and swooshing sound coming from the fuel tank. The noise would become louder when the contact was driving at lower speeds. The vehicle was taken to the dealer on several occasions. The dealer replaced the fuel tank but the repair did not correct the problem. The manufacturer was notified who stated that the noises were normal and offered no assistance. The failure mileage was 836 and the current mileage was 5,384. Updated 2/12/13.
| Other Fuel System problems | |
| Other Fuel System Tank Assembly problems | |
| Other Fuel System Pump problems |