Thanks for useful information. However, I would like to ask, where is Idle Control Device, how to avoid the expiration of oil and is it possible to eliminate this problem. My engineer said that the computer should detect the error, to be sure where it is damaged. Maybe it's time to look for a licens...

Colleagues in the engine warm when escape from the speed, the car itself rose up to 1200 revolutions. Counting on your help to figure out what is due and what it will take to fix the problem. The car is diesel, the 40 TD, 2000, the Renault engine. Will be glad of your views and competent assistance....