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Home >> Toyota >> 1994 >> Pickup Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests >> Emission Systems & Sub-Systems >> Pulsed Secondary Air Injection System >> PAIR Check Valve
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PAIR Check Valve

  1. Remove PAIR check valve. See Figure-50. Apply air pressure to Orange side of PAIR check valve. Air should pass through PAIR check valve.
  2. Apply air pressure to Black side of PAIR check valve. Air should not pass through PAIR check valve. Replace PAIR check valve if defective.
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