Repair Procedures: Removal

Release the residual pressure in fuel line.
(Refer to the Fuel Delivery System - "RELEASE RESIDUAL PRESSURE IN FUEL LINE ")
Turn the ignition switch OFF and disconnect the battery negative (-) terminal.
Remove the intake manifold.
(Refer to Engine Mechanical System - "INTAKE MANIFOLD ")
Remove the delivery pipe foam (A).

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Disconnect the rail pressure sensor connector (A), and then remove the sensor (B) from the delivery pipe.

Courtesy of KIA MOTORS AMERICA, INC.