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.

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 Diagram ...

Operation Principle ...

Hyundai Kona (OS) 2018-2021 Service Manual: Filler-Neck Assembly Repair procedures
Removal 1. Turn ignition switch OFF and disconnect the negative (-) battery cable. 2. Open the fuel filler door. 3. Remove the filler-neck mounting bolt (A). 4. Lift the ve ...