Positive Crankcase Ventilation: Testing and Inspection

Fig. 4 PCV System Inspection Points:

Check all hoses, gaskets and seals for deterioration, obstructions, wear or damage. Ensure all hoses fit tightly. Fig. 7

Fig. 9 PCV Orifices:

Check inlet orifices on throttle valve housing, Fig. 9. Clean with solvent and blow out with compressed air.