Kia Optima: Emission Control System / Crankcase Emission Control System

Kia Optima DL3 2019-2023 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). 2. Remove the PCV val ...

Other information:

Kia Optima DL3 2019-2023 Service and Repair Manual: Roof Trim Assembly

Components and components location Component Location 1. Roof trim assembly Repair procedures Replacement • When removing with a flat-tip scre ...

Kia Optima DL3 2019-2023 Owner's Manual: Normal Maintenance Schedule - Non Turbo Models

The following maintenance services must be performed to ensure good emission control and performance. Keep receipts for all vehicle emission services to protect your warranty. Where both mileage and time are shown, the frequency of service is determined by whichever occurs first. I : Inspe ...