One problem related to tank assembly has been reported for the 2005 Toyota Sienna. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2005 Toyota Sienna based on all problems reported for the 2005 Sienna.
Gas tank punctured. Gas tank is made out of plastic with no outer covering to protect being punctured from underneath. We ran over wood, punctured gas tank and leaked gas all over freeway without our knowledge.
| Fuel Delivery problems | |
| Gasoline Fuel System problems | |
| Gasoline Storage problems | |
| Tank Assembly problems |