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Home >> Mazda >> 1985 >> RX-7 S >> Repair and Diagnosis >> Engine Performance >> System >> CEC System/Tests - EFI >> Testing >> Adjusting Air Supply Valve

Adjusting Air Supply Valve

  1. Warm up engine and run at idling speed. Connect a tachometer to engine. Disconnect vent and vacuum solenoid valve connector.
  2. Disconnect vent and vacuum solenoid valve connector. Check idling speed and adjust, if necessary. Disconnect air supply valve connector and apply electrical power to air supply.
  3. Make sure engine speed is within 1000-1700 RPM. If engine speed is not within the RPM range, remove blind cap and adjust engine speed by turning adjusting. After adjusting, install blind cap.
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