ford Workshop Repair Guides

Ford Workshop Service and Repair Manuals

PCV 1 - High Speed PCV Check|Page 4400 > < PCV 1 - High Speed PCV Check
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Positive Crankcase Ventilation: Testing and Inspection
PCV 2 - Low Speed PCV Check

^ Remove crankcase vent connector from side of air cleaner.

^ Place a stiff piece of paper over crankcase vent connector nipple. Wait for one minute.

Does vacuum hold paper in place?

YES --  Low-speed PCV system is OK.

NO --  GO to PCV3. See: PCV 3 - Crankcase Vent Connector Check

 

PCV 1 - High Speed PCV Check|Page 4400 > < PCV 1 - High Speed PCV Check