Hyundai Sonata: Repair procedures - Crankcase Emission Control System - Emission Control SystemHyundai Sonata: 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 the PCV valve and make sure that intake manifold vacuum can be felt.
The plunger inside the PCV valve will move back and forth at vacuum.

4.
If the vacuum is not felt inspect PCV operation, if operating correctly clean or replace the vapor hose.

    Schematic Diagrams
    Schematic Diagram ...

    See also:

    Starting the engine
    WARNING Always wear appropriate shoes when operating your vehicle. Unsuitable shoes (high heels, ski boots, etc.) may interfere with your ability to use the brake and accelerator pedal. 1. Carry ...

    Schematic Diagrams
    System Block Diagram ...

    Muffler. Components and Components Location
    Components 1. Front muffler 2. Catalytic converter & center muffler assembly 3. Main muffler 4. Gasket 5. Hanger ...