LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Mazda >> 1995 >> RX-7 Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests >> Emission Systems & Sub-Systems >> Air Injection >> Air Control Valve Operation
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Air Control Valve Operation

  1. Warm engine to normal operating temperature. Start engine and run at idle. Using jumper wire, ground terminal 4N at ECM connector. See PIN VOLTAGE CHARTS article for terminal identification.
  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.
scientia non olet · About LEMON Manuals