Kia Optima: Crankcase Emission Control System / Positive Crankcase Ventilation (PCV) Valve
Description and operation
![](images/positive_crankcase_ventilation_pcv_valve-472/357/smdec1005n.gif)
Repair procedures
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)
|
![](images/positive_crankcase_ventilation_pcv_valve-472/357/sdnec01007l.gif)
|
1. |
Insert a thin stick (A) into the PCV valve (B) from the threaded side
to check that the plunger moves.
![](images/positive_crankcase_ventilation_pcv_valve-472/357/smdec1007n_n.gif)
If the plunger does not move (PCV valve is clogged), clean or
replace the valve.
|
|
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. When the fuel evaporates in the f ...
Other information:
Components and components location
Component Location
1. Front seat assembly
Repair procedures
Replacement
•
When removing with a flat-tip scr ...
■ Type A
■ Type B
■ Type C
The drive mode may be selected according to the driver’s preference or road condition.
The mode changes whenever the DRIVE MODE button is pressed.
ECO mode (Active ECO)
Active ECO helps improve fuel efficiency by controlling certain engine and trans ...