[sak22]

It's got 100k on it and is due for it's regularly scheduled tune-up.

My 2009 averages 20/21 mpg city/highway driving... on highway alone, I'm only getting about 23/24 mpg. Don't expect much more in yours. Albeit a van, the Odyssey should get better fuel economy from this engine, especially with the VCM technology. I would not mind the harshness of the cylinder changing (as described in my other post) or the lower HP rating compared to other manufacturers if it meant great fuel economy... But this is not the case. The Odyssey, although one of the finest V6 plants built, suffers from rough/harsh (not seemless) cylinder cut-on/cut-off, inferior HP ratings compared to other manufacturers and poor fuel economy. The VCM does nothing to help better mpg and conversley, it lets you know it's there everytime the cylinders turn on and off. This really gives the effect that the transmission has a problem. I've also driven other similar Odyssey's (to include the brand new redesign EX-L, Touring and Touring Elite) and get the same thing. If this is going to continue to be the case, then I would prefer to see Honda up the HP and Torque rating in the Odyssey to the 275-285 range and get rid of the VCM.

On another note... In reference to your reply on my post... The VCM is a little different between 2006 and 2009 models. Yours changes between 3 and 6 cylinders where as the 2009 and up models change between 3, 4 and 6 cylinders and you can sure feel it when it does. If Honda is going to keep this VCM technology, it needs to improve the Active Control Engine Mount System and the Active Noise Cancellation System. Just some thoughts.