Kia Niro: 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, 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 in vacuum.

4.

If the vacuum is not felt, inspect PCV operation. If operating correctly, clean or replace the vapor hose.

Schematic diagrams
Schematic Diagram ...

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

Other information:

Kia Niro (DE HEV) Owners Manual: Tires and wheels (Except europe)
✽ NOTICE We recommend that when replacing tires, use the same originally supplied with the vehicles. If not, that affects driving performance. When driving in high altitude grades, it is natural for the atmospheric pressure to decrease. Therefore, please check the tire pressure and a ...

Kia Niro 2017 (DE HEV) Service Manual: Safety Plug Repair procedures
Removal    • Be sure to read and follow the “General Safety Information and Caution” before doing any work related with the high voltage system. Failure to follow the safety instr ...

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