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Air Control Valve Inspection

WARNING: This page is about a different car, the 1995 Mazda RX-7. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove air control valve. Apply about 15 in. Hg vacuum 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 vacuum to air relief valve port. See Fig 3 . Ensure air relief valve opens. If air relief valve does no t open, replace air control valve.
Fig 1: View Of Air Injection System
G94I45243Courtesy of MAZDA MOTORS CORP.
Fig 2: Testing Air Control Switching Valve
G93H80702Courtesy of MAZDA MOTORS CORP.
Fig 3: Testing Air Control Relief Valve
G93I80703Courtesy of MAZDA MOTORS CORP.
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