6.2.4. Check and adjustment of speed of the idling / moment of ignition / concentration WITH

Within carrying out maintenance adjustment of speed of the single course / moment of ignition and concentration WITH is not required since the specified values continuously are regulated by an electronic control system.

If the valid operational values differ from set, then the reason lies in damage of an element of system which has to be replaced. The qualified check of a control system of the engine is possible only with use of special devices.

Speed of idling can be a little changed by reprogramming of the control unit by means of the diagnostic unit.