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Home >> Mazda >> 1994 >> MPV LX >> Repair and Diagnosis >> External Pages >> Different car >> Section 48 (Engine Controls - System/Component Tests) >> Emission Systems & Sub-Systems >> Air Injection >> System Inspection

System Inspection

WARNING: This page is about a different car, the 1994 Mazda RX-7. However, it is still accessible from the selected car via links, so may be relevant.
  1. Warm engine to normal operating temperature. Disconnect electrical connector from switching valve solenoid. Using jumper wires, energize solenoid.
  2. If engine idles rough, air control valve and switching valve solenoid are okay. See Figure . If engine does not idle rough, check vacuum routing, switching valve solenoid, air pump and air control valve.
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