Hyundai Genesis (DH): Crankcase Emission Control System / Repair procedures

Inspection
1.
After disconnecting the vapor hose from the PCV valve, remove the PCV valve.
2.
Reconnect the PCV valve to the vapor hose.
3.
Run the engine at idle, and put a finger on the open end of the PCV valve to make sure that the intake manifold vacuum turns to vacuum state.
   
The plunger inside the PCV valve will move back and forth in the vacuum state.

4.
If the vacuum state does not exist, clean or replace the vapor hose.

    Schematic Diagram

    Operation Principle

    Other information:

    Hyundai Genesis (DH) 2013-2016 Service Manual: Specifications

    S

    Hyundai Genesis (DH) 2013-2016 Service Manual: CO2 Sensor Description and Operation

    Description This system maintains the density of carbon dioxide constantly in vehicle interior by measuring the amount of carbon dioxide to increase the comfortableness and the fuel consumption rate when air conditioning system is operating.

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