I changed my Honda fit L13A engine and put the ex Japanese engine for replacement at first I drive it smoothly and the speed goes up to 120km/he it suddenly draged down the speed,now when engaging to… 

When accelerating from 30 to 40 km, there is vibration and / or shocks. With what it can be connected? maybe the problem is not in the variator? maybe it's time for an oil change? or something differe… 

The honda fit gd1 starts well and moves but suddenly the engine check light appears and its iddling changes and power fails. Produces a craching sound and does not accelerate

The car accelerate itself up to +- 25 km/h when you are driving.

It starts easily but stalls anytime i drive at less than 60km,the jerking is worse when speed is low but when it gets to 70km and above it accelerates normally. I changed the c2 cramshAft sensors and… 

Idle or driving my head lights flicker li