Asslamualaikum. Friends mere pas prado 120 3.4L automatic hai kal drive krte hovay me ne mahsos kiya hai k gari 3rd se 4th gear me shift ni ho rahi. Even D se nikal k b mene 3rd me kiya lekin rpm me koi change ni hova our phr D me kr k 50 pe cruise b kiya hai lekin gari 3rd pe chalti rahi with high rpm. Kiya problem ho sakti hai?