hmm like tat, same problem with mine... but mine only like tat if my engine is cold, my rpm is 5 but da spd only 25kmh~ but if engine warm... den da gear 'makan' dy, for me, i jus changed my gear oil ~ so tat mean my torque converter not working well
so, myb ur gearoil or torque converter got nid to check... torque converter = clutch for auto