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Home >> Mazda >> 1985 >> 626 Base, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Air Injection System >> Component Testing >> Reed Valve
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Reed Valve

  1. Warm up engine to normal operating temperature. Stop engine and remove air cleaner cover and element. Run engine at idle. Place a piece of paper over reed valve inlet port and verify that air is being drawn in.
  2. Increase engine speed to 1500 RPM, place piece of paper over inlet port and check for exhaust gas leakage. Replace reed valve if it does not respond correctly.
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