6.3.1. Check and adjustment of the maximum turns of the engine

The maximum frequency of rotation of the engine is controlled by ECM and by forces of the owner of the car is not subject to adjustment. The description of the procedure of check of turns is given below, adjustment demands application special diagnostic the equipment and its performance has to be entrusted to specialists of car service.


  1. Start the engine and warm up it up to the normal working temperature.
  2. Ask the assistant a motive compartment of an emphasis to squeeze out a pedal of an accelerator and check compliance of the maximum turns to standard requirements (see Specifications in the Head of the Power supply system, release and decrease in toxicity of the fulfilled gases).

Do not force the engine to rotate on the maximum turns further of two-three seconds!