One problem related to engine stall has been reported for the 2011 Toyota Sienna. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2011 Toyota Sienna based on all problems reported for the 2011 Sienna.
The contact owns 2011 Toyota Sienna. The contact stated that while driving 70 mph, the engine stalled without warning. The vehicle was towed to the dealer, who performed a diagnostic and determined that the battery failed and caused the vehicle to stall. The battery was replaced however the dealer could not explain the cause of the battery failure. Additionally, the contact stated that the engine was previously replaced due to failed springs which caused the valves to also fail. The manufacturer was made aware of the failure. The failure mileage was 31,312 and the current mileage was, 31,800.