When speeding the speed limit wouldn't exceed 80km. Pls how do I reset it

Something is wrong with my 2009 Epica 01. When slowing down the car and pick up again there is a jerk or lose of power suddenly (I rev the accelerator roll slowly and then suddenly the power kick in… 

I have an Epica LT 2007 and, at the moment of stopping at a traffic light for example, the gearbox hits and it feels as if the speed got stuck. I was told the failure is in 3 solenoids or sensors that… 

When driving at a certain speed with my Epica 2007 and it is accelerated, the vehicle suddenly loses control of the acceleration, maintains 1000 rpm, it blocks itself and the yellow engine alarm appea… 

When starting the winter, the 4th gear is set directly. If I change it to manual, the 2nd and 4th gears can be set but it taked long to accelerate.