Supra L6-3.0L DOHC (7M-GE) (1990)
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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.