The 2006 Toyota Sienna has 24 valves.
The 2006 Toyota Sienna's engine produces 215 hp @ 5600 rpm.
The gas tank on the 2006 Toyota Sienna holds 20 gal..
Every 5000 miles, is when I do it on mine.
The 2005 Toyota Sienna has 24 valves.
The 2013 Toyota Sienna has 24 valves.
The 2010 Toyota Sienna has 24 valves.
The 2004 Toyota Sienna has 24 valves.
The 2003 Toyota Sienna has 24 valves.
The 2009 Toyota Sienna has 24 valves.
The 2014 Toyota Sienna has 24 valves.
The 2012 Toyota Sienna has 16 valves.