Kia Optima: Positive Crankcase Ventilation (PCV) Valve. Description and OperationOperation Principle

Repair proceduresRemoval
1.
Turn the ignition switch OFF and disconnect the battery
negative (-) cable.
2.
Disconnect the purge control solenoid valve connector
(A).
3. ...
Removal
1.
Remove the ignition key from
the vehicle.
2.
Disconnect the battery negative
cable and wait for at least three minutes before beginning work.
3.
Re ...
Repair procedures
Inspection
1.
After disconnecting the vapor hose from the PCV valve,
remove the PCV valve. Visually check for a collapsed vapor hose or hose
leaks.
2.
...