Kia Optima DL3: Crankcase Emission Control System / Positive Crankcase Ventilation (PCV) Valve

Description and operation

Operation Principle

Repair procedures

Removal
1.

Disconnect the vapor hose (A).

2.

Remove the PCV valve (B).

Tightening torque :

1.96 - 2.94 N.m (0.2 - 0.3 kgf.m, 1.45 - 2.17 lb-ft)

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.

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

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

    Other information:

    Kia Optima DL3 2019-2025 Service and Repair Manual: A/C Pressure Transducer

    Description and operation Description The A/C Pressure Transducer (APT) converts the pressure value of high pressure line into voltage value after measuring it. By converted voltage value, engine ECU controls the cooling fan by operating it high speed or low speed.

    Kia Optima DL3 2019-2025 Service and Repair Manual: In-car Sensor

    Description and operation Description The In-car air temperature sensor is built in the heater & A/C control unit. The sensor contains a thermistor which measures the temperature of the inside. The signal decided by the resistance value which changes in accordance with perceived inside temperature, is delivered to heater co

    Categories

     
    Copyright © 2025 www.kioptima.com - 0.0234