Hyundai Sonata: Positive Crankcase Ventilation (PCV) Valve. Repair procedures - Crankcase Emission Control System - Emission Control SystemHyundai Sonata: Positive Crankcase Ventilation (PCV) Valve. Repair procedures

Hyundai Sonata YF 2011-2014 Service Manual / Emission Control System / Crankcase Emission Control System / 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.

If the plunger does not move (PCV valve is clogged), clean or replace the valve.

Installation

1.
Installation is reverse of removal.
PCV Valve installation:
1.9 ~ 2.8 N.m (0.19 ~ 0.29 kgf.m, 1.4 ~ 2.1 lb-ft)

    See also:

    Limitation of Active ECO operation
    If the following conditions occur while Active ECO is operating, the system operation is limited even though there is no change in the ECO indicator. When the coolant temperature is low: The sys ...

    Headlamp delay
    If you turn the ignition switch to the ACC or OFF position with the headlights ON, the headlights (and/or tail lights) remain on for about 20 minutes. However, if the driver’s door is opened and ...

    Heated Oxygen Sensor (HO2S). Specifications
    Specification HO2S [Bank 1/Sensor 1] Item Specification Heater Resistance (Ω) 2.5 ~ 4.0 [20°C(68°F)] HO2S [Bank 1/Sensor 2 ...