Positive Crankcase Ventilation (PCV) Valve Inspection [L3]
- Disconnect the negative battery cable.
- Remove the intake manifold, (see INTAKE AIR SYSTEM REMOVAL/INSTALLATION ).
- Remove the PCV valve.
- Blow through the valve and verify that air flows as specified.
- If not as specified, replace the PCV valve.
Specification
AIRFLOW CONDITION REFERENCE
| Condition | Airflow |
|---|---|
| Air applied from port A to B | Yes |
| Air applied from port B to A | No |