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 ...

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Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Front Fog Lamps Repair procedures

Inspection 1. Disconnect the negative(-) battery terminal. 2. Remove the lighting switch of the multi-function switch. (Refer to the multi-function switch) 3. With the front fog lamp switch, make sure that continuity exists between the terminals below. If continuity is not as specified, replace the multi-function ...

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Instrument Cluster Schematic Diagrams

Circuit Diagram ...