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Home >> Mazda >> 1986 >> B2000 Base, 2D Pickup >> Repair and Diagnosis >> Engine Performance >> System >> Air Injection System >> Component Testing >> Reed Valve
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Reed Valve

  1. Bring engine to normal operating temperature and stop engine. Remove air cleaner cover and element. Start and run engine at idle.
  2. Place a piece of paper over inlet port of reed valve. Verify that air is being drawn into reed valve. Increase engine speed to 2500 RPM. Holding a piece of paper over valve inlet, check for exhaust leakage through valve port. Replace reed valve if leakage is present.
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