Actually it has done this since I've owned the car. It just does it a little more easily now. It does seem to do it alot more in the warmer weather. This is nice if I was running with someone on a curvy road but when I just wanna drive normal. It's like it doesn't wanna drive slow, and wants to stay in race mode.

My concern is what bad things are happening while riding around in 3rd when I should be in 4th, and does this happen because of something bad in my tranny? I bought the car in 2001 and from the beginning I knew it ran differently than other DSM's I've had or driven. Nothing bad has happened so far and it runs good as hell. I just wanna know what the hell is going on with it.