SX4 4WD L4-2.0L (2008)
Positive Crankcase Ventilation Valve: Testing and Inspection
PCV Valve Inspection
1. Remove PCV valve referring to PCV Valve Removal and Installation.
2. Connect PCV valve to hose and install plug to cylinder head cover hole.
3. Run engine at idle.
4. Place your finger over end of PCV valve (1) to check for vacuum.
If there is no vacuum, check for clogged valve. Replace as necessary.