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Home >> Subaru >> 1989 >> RX Standard >> Repair and Diagnosis >> Engine Performance >> System >> System/Component Tests >> Emission Systems & Sub-Systems >> Exhaust Gas RECIRCULATION (EGR) >> Check Valve
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Check Valve

Ensure air does not flow from EGR solenoid valve side, to air intake boot side. Ensure air flows from air intake side to EGR solenoid valve side.

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