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Home >> Kia >> 2005 >> Optima EX, 2.4 6 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System/Fuel System - 2.4L (A/T) >> Fuel System >> Fuel Pump (FP) >> Operation Check

Operation Check

  1. Turn the ignition switch to the OFF position.
  2. Apply battery voltage to the fuel pump drive connector to check that the pump operates.
    NOTE: The fuel pump is an in-tank type and its operating sound is hard to hear without removing the fuel tank cap.
  3. Pinch the hose to check that fuel pressure is felt.
Fig 1: Checking Fuel Pump
G00331089Courtesy of KIA MOTORS AMERICA, INC.