Originally Posted by pkL
I have a non PZEV Impreza, since I'm in Canada but then again its still very wet and rainy here temperatures are under 10°C. Now that you guys mention it, I do notice that it takes a little while for the CVT to "loosen up," my idle rpms drop lower and acceleration is more consistent and smoother after this happens. The car seems a bit sluggish during this period though and I also try and keep the rpms as low as possible during this time.
For me, seems like I get better MPG by letting the car warm up until the blue light goes out + another 30 seconds or so. This reduces the amount of time you get stuck with slug mode, and seems to burn less gas than driving on a cold engine and transmission to warm things up. My PZEV CVT car really sucks down the gas unless it is warmed up, while idling doesn't seem to burn much gas at all.