Kia Rio: Crankcase Emission Control System / Positive Crankcase Ventilation (PCV) Valve

Kia Rio 2017-2021 YB Service Manual / Emission Control System / Crankcase Emission Control System / Positive Crankcase Ventilation (PCV) Valve

Description and operation
Operation Principle

Repair procedures
Removal
1.

Disconnect the vapor hose (A) and then remove the PCV valve (B).

Inspection
1.

Insert a thin stick (A) into the PCV valve (B) from the threaded side to check that the plunger moves.

  

If the plunger does not move (PCV valve is clogged), clean or replace the valve.

Installation
1.

Install in the reverse order of removal.

PCV Valve :

1.89 - 2.84 N·m (0.19 - 0.29 kgf·m, 1.40 - 2.09 lb·ft)

Crankcase Emission Control System
Schematic diagrams Schematic Diagram Repair procedures Inspection 1. After disconnecting the vapor hose from the PCV valve, remove the PCV valve. ...

Evaporative Emission Control System
Description and operation Description Evaporative Emission Control System prevents fuel vapor stored in fuel tank from vaporizing into the atmosphere. When the fuel evaporates in the f ...

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