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Home >> Kia >> 2017 >> Optima EX >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System - 2.4L (Except HEV) >> Rail Pressure Sensor (RPS) >> Repair Procedures >> Removal
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Repair Procedures: Removal

  1. Release the residual pressure in fuel line.

    (Refer to the Fuel Delivery System - "RELEASE RESIDUAL PRESSURE IN FUEL LINE ")

  2. Turn the ignition switch OFF and disconnect the battery negative (-) terminal.
  3. Remove the intake manifold.

    (Refer to Engine Mechanical System - "INTAKE MANIFOLD ")

  4. Remove the delivery pipe foam (A).
    Fig 1: Removing Delivery Pipe Foam
    G12146889Courtesy of KIA MOTORS AMERICA, INC.
  5. Disconnect the rail pressure sensor connector (A), and then remove the sensor (B) from the delivery pipe.
Fig 2: Disconnecting Rail Pressure Sensor Connector
G12146890Courtesy of KIA MOTORS AMERICA, INC.