Pickup 2WD V6-180.5 2959cc 3.0L SOHC (3VZ-E) (1989)
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Vacuum Check Valve: Testing and Inspection
1.
Check that air flows from the orange pipe to the black pipe.
2.
Check that air does not flow from the black pipe to the orange pipe.
Toyota Workshop Service and Repair Manuals
Catalytic Converter >
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