I'm kind of stumped on this one...when driving my 2002 Lancer OZ, when the gears shift I get a hard kick at times. Sometimes it's fine, other times it hits hard and the car drags a bit. I have to literally turn it off, then start it up and it's like nothing happened. Oh it's automatic transmission.

I'm really just looking for any ideas as it is a bit annoying that that is happening. I'd hate for my transmission to go out for not treating this early on.

 

Input speed sensor. Go to the transmission drive train section and there's about 8 topics on how to fix and buy.