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Home >> Hyundai >> 2012 >> Tucson GL, Automatic Trans >> Repair and Diagnosis >> Engine Mechanical >> Auxiliary Emission Control Systems >> Evaporative Emission Control System >> Repair Procedures >> Inspection >> [System Inspection]

[System Inspection]

  1. Disconnect the vapor hose from the intake manifold and connect a vacuum pump to the nipple on the intake manifold.
  2. Check the following points with applied vacuum using a vacuum pump.
    • At Cold Engine [Engine Coolant Temperature < 60°C (140°F)]
      ENGINE OPERATION

      Engine Operating Condition Applied Vacuum Result
      Idle 14.5 inHg (0.5 kgf/cm2 , 49.0 kPa) Vacuum is held
      3, 000 rpm
    • At Warmed Engine [Engine Coolant Temperature > 80°C (176°F)]
      ENGINE OPERATION

      Engine Operating Condition Applied Vacuum Result
      Idle 14.5 inHg (0.5 kgf/cm2 , 49.0 kPa) Vacuum is held
      Within 3 minutes after engine start at 3, 000 rpm Try to apply vacuum Vacuum is released
      In 3 minutes after engine start at 3, 000 rpm 14.5 inHg (0.5 kgf/cm2 , 49.0 kPa) Vacuum will be held momentarily, after which, it will be released
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