Kia Optima Hybrid: Crankcase Emission Control System / Repair procedures

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual / Emission Control System / Crankcase Emission Control System / 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.

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.

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

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

Schematic Diagrams

Schematic Diagram ...

Positive Crankcase Ventilation (PCV) Valve Description and Operation

Operation Principle ...

Other information:

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Specifications

Specifications Fuel Delivery System ItemsSpecificationFuel TankCapacity65 lit. (17.2 U.S.gal., 68.7 U.S.qt., 57.2 Imp.qt.)Fuel FilterTypePaper typeFuel Pressure RegulatorRegulated Fuel Pressure333 ~ 353 kPa (3.4 ~ 3.6 kgf/cm?, 48.3 ~ 51.2 psi)Fuel PumpTypeElectrical, in-tank typeDriven byElectric motor ...

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Relay Box (Engine Compartment) Components and Components Location

Components ...