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Home >> Mazda >> 2000 >> B3000 SX, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 2 (Engine Controls - System & Component Testing) >> Air Induction Systems >> Variable Tumble Control System (VTCS) - Protege 1.6L >> One Way Check Valve Check

One Way Check Valve Check

WARNING: This page is about a different car, the 2000 Mazda Protege, 2000 Mazda Millenia, 2000 Mazda MX-5 Miata, 2000 Mazda MPV, and 2000 Mazda 626. However, it is still accessible from the selected car via links, so may be relevant.

Remove one way check valve. Blow in valve into direction of arrow. Air should flow. Blow into valve in opposite direction. Air should not flow. If flow is not as specified, replace valve.