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Home >> Kia >> 2005 >> Optima EX, 2.4 6 >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System/Fuel System - 2.4L (A/T) >> Fuel 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 inside the fuel tank 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 hand vacuum pump, check the operation of the two-way valve.
Fig 1: Checking 2-Way Valve (1 Of 2)
G00331097Courtesy of KIA MOTORS AMERICA, INC.
Fig 2: Checking 2-Way Valve (2 Of 2)
G00331098Courtesy of KIA MOTORS AMERICA, INC.
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