ive got this problem especially on the 1st gear.... sometimes on the 2nd... it happens when i rev my car a bit.... its not like jerking... this really bugs me when im going for steep uphills... people stare ............. im suspecting its some kind of gearbox problem since its been quite unsmooth recently changing between gears... ( need to move the gear knob a couple of times before i can get into gear )..... help me