Repair Procedures: Removal

Turn the ignition switch OFF and disconnect the battery negative (-) cable.
Release the residual pressure in fuel line.
(Refer to Fuel Delivery System - "RELEASE RESIDUAL PRESSURE IN FUEL LINE ")

CAUTION: When removing the fuel pump fuse, a Diagnostic Trouble Code (DTC) may occur. Delete the code with the GDS after completion of "Release Residual Pressure in Fuel Line" work.
Remove the intake manifold.
(Refer to Engine Mechanical System - "INTAKE MANIFOLD ")

Fig 1: Identifying Injector Form
Courtesy of HYUNDAI MOTOR AMERICA
Remove the injector form (A).
Disconnect the rail pressure sensor connector (A), and then remove the sensor (B) from the delivery pipe.

Fig 2: Identifying Rail Pressure Sensor Connector And Sensor
Courtesy of HYUNDAI MOTOR AMERICA