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Home >> Hyundai >> 2005 >> Sonata GL, 2.4 S, Standard >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel System (G4JS-GSL 2.4L) >> Fuel Delivery System >> Fuel Tank >> Inspection
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Fuel Tank: Inspection

  1. Check the hoses and the pipes for cracks or damage.
  2. Check the fuel tank cap for proper operation.
  3. Check the fuel tank for deformation, corrosion or cracking.
  4. Check the fuel tank inside for dirt or foreign material.
  5. Check the in-tank fuel filter for damage or restriction.
  6. Test the two-way valve for proper operation.
  7. Using a vacuum hand pump, check the operation of the two-way valve.
    TWO WAY VALVE OPERATION

    Vacuum pump Guide lines for acceptance or rejection
    When connected to inlet side Negative pressure generated and vacuum maintained
    When connected to outlet side No negative pressure generated
    Fig 1: Checking Operation Of Two-Way Valve
    G03857587Courtesy of HYUNDAI MOTOR CO.