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Home >> Mazda >> 1988 >> B2200 Base, 2D Pickup, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Air Injection System - Reed Valve >> Component Testing >> Reed Valve

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(s). Increase engine speed to 1500 RPM. Verify that air is being drawn into reed valve. Increase engine speed to 3000 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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