Experts,

Our CRV gen 2.5 is having some unusual sound when running. Everytime i'm going to change gear, engine's rpm rev up of about addional 200-300 rpm (umuungol) that is not normal in any engine.

Eg. when i'm in 3rd gear going to 4th gear * 1900rpm when in the sequence of upgear it will went up upto 2100 rpm although i'm not stepping in the gas pedal.

What do you think is the problem of our rig?