Component Inspection

POSITIVE CRANKCASE VENTILATION


Component Inspection

1.CHECK POSITIVE CRANKCASE VENTILATION (PCV) VALVE





With engine running at idle, remove PCV valve from rocker cover. A properly working valve makes a hissing noise as air passes through it. A strong vacuum should be felt immediately when a finger is placed over valve inlet.
Is the inspection result normal?
YES - INSPECTION END
NO - Replace PCV valve.