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Home >> Mazda >> 1994 >> RX-7 Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests >> Emission Systems & Sub-Systems >> Air Injection >> Air Control Valve
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Air Control Valve

  1. Remove air control valve. Apply about 15 in. Hg to switching valve port. See Fig 2 . Ensure switching valve opens. If switching valve does not open, replace air control valve.
  2. Apply about 19 in. Hg to air relief valve port. See Fig 3 . Ensure air relief valve opens. If air relief valve does not open, replace air control valve.
Fig 1: View Of Air Injection System (RX7)
G94I45243Courtesy of MAZDA MOTORS CORP.
Fig 2: Testing Switching Valve (RX7)
G93H80702Courtesy of MAZDA MOTORS CORP.
Fig 3: Testing Air Relief Valve (RX7)
G93I80703Courtesy of MAZDA MOTORS CORP.
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