Kia Optima: 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). 2. Remove the PCV val ...

Other information:

Kia Optima DL3 2019-2025 Service and Repair Manual: Brake System

Service data Service Data Service data Item Specification Master cylinder Cylinder I.D. Ø 22.22 mm (0.874 in) Piston stroke 45 ± 1 mm (1.77 in ± 0.87 in) F ...

Kia Optima DL3 2019-2025 Service and Repair Manual: Ambient Temperature Sensor

Description and operation Description The ambient temperature sensor is located at the front of the condenser and detects ambient air temperature. It is a negative type thermistor; resistance will increase with lower temperature, and decrease with higher temperature. The sensor o ...