Hyundai Ioniq: Crankcase Emission Control System / Repair procedures
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, then put a finger over the open end of the PCV valve and make sure that intake manifold vacuum can be felt. •
| The plunger inside the PCV valve will move back and forth at vacuum. |
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![](images/repair_procedures-627/413/smdec1006n_n.gif)
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4. | If the vacuum is not felt inspect PCV operation, if operating correctly clean or replace the vapor hose. |
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![Hyundai Ioniq. Hybrid Vehicle Interior Overview](images/books/1/hyundai_ioniq_hybrid_vehicle_interior_overview_3.png)
1. Door lock/unlock button
2. Driver position memory system
3. Side view mirror control switch
4. Central door lock switch
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