If you cannot achieve normal operation of the motor and the service station cannot help you ...
If the engine does not keep even speed and possibly shoots at the muffler or air filter.
Try checking the knock sensor.

How to adjust the throttle stop screw. And don't get in big trouble.
   • Как отрегулировать винт упора дроссел...  

Playlist on injector sensors. Who is responsible for what and how.
   • Датчики инжекторной системы двигателя...  

How does the DPD work?
   • ДПДЗ.  Вы точно будете знать о нём ВС...  

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