One problem related to engine failure has been reported for the 2004 Toyota Sienna.
The most recently reported issues are listed below.
Please also check out the
statistics and reliability analysis of the 2004 Toyota Sienna based on all problems reported for the 2004 Sienna.
1 Engine Failure problem
Failure Date: 01/15/2007
Engine failure due to oil gumming.
Other Engine And Engine Cooling related problems of the 2004 Toyota Sienna