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Home >> Mazda >> 1989 >> B2600i Base >> Repair and Diagnosis >> Engine Performance >> System >> System/Component Tests - CARBURETED >> Emission Systems & Sub-Systems >> Air Injection System >> No. 2 Air Control Valve

No. 2 Air Control Valve

Remove No. 2 air control valve. See Figure . Connect vacuum pump to valve. Apply vacuum. Verify valve stem starts to move at 1.97 in. Hg and stops at 33.54 in. Hg.