Dear friends need urgent help if any body can,i have got civic 2002 vti prosmatic. Regular maintained by Honda specialists , 3 months of this got a rmp problem the car going smooth at 100km/hr with 2500 rpm suddenly the rpm jump to 2900 and speed remains same ,then i have to stop the car put to races pedals and switch off it normalize once then move again ,Honda failed to resolve the problem,gear changed,throttle changed,ecu changed but problem solved temporarily next day same problem.
Honda people changed the gear with another Honda that was fine on drive but my problem remains the same.
Mostly it happens when gear falls from 4th to lower ratio and accelerate again,and more when in morning hours.