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Home >> Mazda >> 1987 >> 626 Base >> Repair and Diagnosis >> Engine Performance >> System >> Air Injection System >> Component Testing >> No. 3 Air Control Valve (ACV) >> B2600

No. 3 Air Control Valve (ACV): B2600

Remove No. 3 ACV with head cover. Connect vacuum pump and gradually apply vacuum. ACV stem should start to move at 4.3 in. Hg.