Just happened to me too, 3 year battery was 3 years and 3 m. old, tightened the alt. belt that helped but still idles at about 600 rpm. Ran well before the battery went,
530 cca and 575 cca
The 2005 Toyota Sienna has 24 valves.
The 2005 Toyota Sienna has a V6 engine.
The 2005 Toyota Sienna is a gas-powered vehicle.
The 2005 Toyota Sienna has a 5-speed automatic.
The height of the 2005 Toyota Sienna is 5 ft. 8.9 in. (68.9 in.).
The 2005 Toyota Sienna has a drag coefficient of 0.30 Cd.
The 2005 Toyota Sienna has double overhead cam (DOHC).
The curb weight of the 2005 Toyota Sienna is 4120 lbs..
The 2005 Toyota Sienna runs on regular unleaded.
The 2005 Toyota Sienna is 16 ft. 8 in. (200 in.) long.
The 2005 Toyota Sienna's turning circle is 36.8 ft..