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Home >> Mazda >> 1979 >> B2000 Base >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Reed Valve Air Injection >> Testing >> Reed Valve
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Reed Valve

  1. With engine warmed to normal operating temperature, remove hose from inlet side (air cleaner side) of reed valve. At idle, air should be felt being sucked into reed valve (check by placing finger over valve inlet).
  2. Increase speed to 1500 and hold finger over valve inlet. Check that no exhaust leakage is coming through valve. If so, replace valve.
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