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Home >> Mazda >> 1994 >> 626 ES, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 49 (Engine Controls - System/Component Tests) >> Idle Control System >> Idle Speed Control (ISC) System >> Air Valve

Air Valve

WARNING: This page is about a different car, the 1994 Mazda 929. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect air hoses from air valve. Blow air through valve from port "A" and ensure air flows through valve when engine is cold. See Figure .
  2. Warm engine to normal operating temperature. Blow air through valve from port "A". Air should not flow through valve. Replace valve as necessary.
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