KIA Niro: Crankcase Emission Control System

Kia Niro - First generation - (DE) (2017-2022) - Service and Repair Manual / Emission Control System / Crankcase Emission Control System

Schematic Diagram

Repair procedures

Repair procedures

Inspection

After disconnecting the vapor hose from the PCV valve, remove the PCV valve.
Reconnect the PCV valve to the vapor hose.
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.

Warning

The plunger inside the PCV valve will move back and forth in vacuum.

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

Operation Principle

Positive Crankcase Ventilation (PCV) Valve Repair procedures

Positive Crankcase Ventilation (PCV) Valve Repair procedures | Canister Repair procedures

Removal Disconnect the vapor hose (A). Remove the PCV valve (B). Inspection Insert a thin stick (A) into the PCV valve (B) from the threaded side to check the plunger movement. Warning If the plunger does not move (PCV

Fuel Tank Air Filter Repair procedures

Fuel Filler Cap Description and operation Description A ratchet tightening device on the threaded fuel filler cap reduces the chances of incorrect installation, which seals the fuel filler. After the gasket on the fuel filler cap and the filler

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The driver can stop the vehicle by pulling and holding the left side paddle shifter. Operation Pull and hold the left side ( ) of the paddle shifter while coasting. When the vehicle speed is above 3 km/h (1 mph), regenerative braking

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Removal Remove the fuel pump. (Refer to Fuel Delivery System - "Fuel Pump") Disconnect the fuel sender connector (A). Lift the fixing hook (A) by using a common driver, and then remove the fuel sender (B).