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Catalytic Converter > < Vacuum Check Valve, AIR|Testing and Inspection

Corolla FX L4-1587cc 1.6L DOHC (4A-GE) (1987)

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Vacuum Delay Valve: Testing and Inspection

    Ensure that air flows through valve with some resistance when applied from either side of valve.

Catalytic Converter > < Vacuum Check Valve, AIR|Testing and Inspection