Hyundai Kona: 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.
Inspect the PCV vlave operation.
(1)
Run the engine at idle.
(2)
Put a finger on the open end of the PCV valve.
(3)
Make sure that intake manifold vaccum can be felt.
  
The plunger inside the PCV valve will move back and forth at vacuum.

4.
If the vacuum is not felt, clean or replace the vapor hose.
Schematic diagrams
Schematic Diagram ...

Positive Crankcase Ventilation (PCV) Valve Description and operation
Operation Principle ...

Other information:

Hyundai Kona (OS) 2018-2024 Service Manual: Intake Air Temperature Sensor (IATS) Specifications
Specification Temperature Resistance (kΩ) °C °F -40 -40 40.93 - 48.35 -20 -4 13.89 - 16.03 0 32 5.38 - 6.09 ...

Hyundai Kona (OS) 2018-2024 Service Manual: Specifications
Specifications Item Specification Master cylinder Type Single Cylinder I.D. 22.22 mm Piston stroke 45 ± 1 mm (1.77 ± 0.039 in) Fluid level switc ...

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