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

    Crankshaft Position Sensor (CKPS). Description and Operation
    Description Crankshaft Position Sensor (CKPS) detects the crankshaft position and is one of the most important sensors of the If there is no CKPS signal input, the engine may stop because of ...

    Active ECO operation
    Active ECO helps improve fuel efficiency by controlling the engine and transaxle. But fuel-efficiency can be changed by the driver's driving habits and road conditions. When the Active E ...

    Paddle shifter
    The paddle shifter is available when the shift lever is in the D position or the sport mode. With the shift lever in the D position The paddle shifter can operate when the vehicle speed is mor ...