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Home >> Mazda >> 2017 >> 6 Sport, Standard Trans >> Repair and Diagnosis >> Engine Mechanical >> Auxiliary Emission Control Systems >> Emission System >> Check Valve Inspection >> U.S.A. And CANADA

U.S.A. And CANADA

  1. Remove the check valve. (See FUEL TANK REMOVAL/INSTALLATION .)
  2. Verify that there is airflow when positive pressure is applied to port A.
    Fig 1: Locating Check Valve Of Breather Pipe
    G09785400Courtesy of MAZDA
  3. Verify that there is airflow when negative pressure is applied to port A.
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