Check and replacement of the crankcase ventilation valve
Location crankcase ventilation valve on models with 4-cylinder engine
The valve is located on the valve cover.
PERFORMANCE ORDER
1. Start and warm up the engine.
2. Remove the valve from the valve cover. Close the valve finger. If there is no vacuum, check for clogged hose, a hole in the intake manifold or the valve itself.
3. Stop the engine. Shake the valve. You should hear the sound of the plunger inside the valve. If not, replace the valve.