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Home >> Kia >> 2005 >> Optima EX, 2.7 8 >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System/Fuel System - 2.7L >> Fuel Delivery System >> Fuel Pump (FP) >> Inspection
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Fuel Pump (FP): Inspection

  1. Turn the ignition switch to OFF.
  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 fuel hose to check that fuel pressure is felt.
Fig 1: Checking Fuel Pump
G00328614Courtesy of KIA MOTORS AMERICA, INC.