At medium and high loads, oil vapors are sucked in large quantities through the throttle valve.
To ensure proper operation of the emission control system, keep the crankcase ventilation system clean and in good condition.
Location of elements of the crankcase ventilation system (K4M engine):
1 - crankcase ventilation pipeline;
2 - calibrated hole;
3 - oil separator of the crankcase ventilation system on the cover of the cylinder head;
4 - inlet of the crankcase ventilation system.