Kia Optima DL3: Emission Control System / Crankcase Emission Control System

Kia Optima DL3 2019-2025 Service and Repair Manual / Emission Control System / 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.

2.	Reconnect the PCV valve to the vapor hose.

Inspect the PCV valve 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.

Positive Crankcase Ventilation (PCV) Valve

❮Emission Control System

Service data Specifications Purge Control Solenoid Valve (PCSV) ▷ Specification Item Specification Coil Resistance (Ω) 22.

Positive Crankcase Ventilation (PCV) Valve❯

Description and operation Operation Principle Repair procedures Removal 1. Disconnect the vapor hose (A).

Other information:

Kia Optima DL3 2019-2025 Service and Repair Manual: Receiver-Drier

Repair procedures Replacement 1. Remove the condenser. 2. Remove the cap (A) on the bottom of the condenser with a L wrench. Tightening torque : 9.81 - 14.71 N.

Kia Optima DL3 2019-2025 Service and Repair Manual: Heater & A/C Control Unit (Manual)