ChuckfromLI 
2004 Toyota Sienna Minivan LE 7-Passenger Fwd 4dr Minivan (3.3L 6cyl 5A)
Checking in at 74K
 Just had the spark plugs replaced at 74K. It was running fine, but had that done anyway at Toyota dealer along with PCV valve, air filter, oil change and tire rotation. Total bill was $625 with the tax (8.5%). The plugs are a big job on this year Sienna because the intake manifold needs to be removed to change them, hence it is about three hours labor for the plus alone. I was pleasantly surprised to find out that there is no distributor cap or plug wires to change. Van still runs and drives as new. There may be a slight whistling sound from the passenger side front window at highway speeds. Other than that, still happy with it.