My first Volvo S8 T6 01' has 67K miles on it. Intermittently, when I start up the car, and after idling for a few seconds I place it in drive, then the engine feels like it is choking and running rough. It feels like it is going to die but it never does. I thought it was the engine at first but the RPMs stay right at 1K . They don't waver at all. After about 3 seconds whatever the transmission is doing evens out and the car begins to move. It happens about every fifth time the car is started. My nearest Volvo dealer is 1K miles away and when I bring this to my local Ford dealer for servicing I would like to give him some idea as to what this may be. Like all intermittent stuff, I know it won't happen when I bring it in. Anyone with ANY ideas on this would be greatly appreciated.