Grand Vitara 2WD V6-2.7L (2006)
Positive Crankcase Ventilation Valve: Testing and Inspection
PCV Valve Inspection
NOTE:
Be sure to check that there is no obstruction in PCV valve or its hoses before checking engine idle speed / IAC duty for obstructed PCV valve or hose
hampers its accurate checking.
1. Remove PCV valve.
2. Connect PCV valve (1) to PCV hose and plug head cover hole.
3. Run engine at idle.
4. Place your finger on the hole of PCV valve (1) to check for vacuum. If there is no vacuum, check for clogged valve. Replace as necessary.
5. After checking vacuum, stop engine and remove PCV valve (1). Shake valve and listen for the rattle of check needle inside the valve. If valve does
not rattle, replace valve.
6. After inspection, remove plug from head cover hole. Then, install PCV valve to head cover hole, connect PCV valve, PCV hose and clamp
securely.