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Home >> Mazda >> 1995 >> RX-7 Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests >> Emission Systems & Sub-Systems >> Air Injection >> Air Relief Valve
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Air Relief Valve

  1. Warm engine to normal operating temperature. Disconnect hose from air relief valve. Ensure no air flows from hose. If air flows from hose, air relief valve may be stuck open.
  2. Disconnect electrical connector from relief valve solenoid No. 1. See Figure . Using jumper wires, energize solenoid. If air flows from air relief valve, air relief valve and relief valve solenoid No. 1 are okay. If air does not flow from air relief valve, check vacuum routing, relief valve solenoid No. 1, air pump and air control valve.
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