Kia Optima Hybrid: Crankcase Emission Control System / Positive Crankcase Ventilation (PCV) Valve Description and Operation

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual / Emission Control System / Crankcase Emission Control System / Positive Crankcase Ventilation (PCV) Valve Description and Operation

Operation Principle

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. 3. Run the engine at idle, then put a finger over the open end of ...

Positive Crankcase Ventilation (PCV) Valve Repair procedures

Removal 1. Disconnect the vapor hose (A). 2. Remove the PCV valve (B). Inspection 1. Insert a thin stick (A) into the PCV valve (B) from the threaded side to check that the plunger movement.     ...

Other information:

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


Troubleshooting 1. The lamp switch inputs can be checked using the GDS. 2. To check the input value of lamp switch, select option "Body Control Module". 3. To consult the present input/output value of BCM, "Current DATA". It provides information of BCM input/output conditions of power supply, turn signal/brake ...

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


Inspection 1. With the washer motor connected to the reservoir tank, fill the reservoir tank with water.     Before filling the reservoir tank with water, check the filter for foreign material or contamination. if necessary, clean the filter. 2. Connect positive (+) battery cables to terminal ...

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