Repair procedures: Removal

Turn the ignition switch OFF and disconnect the battery negative (-) cable.
Release the residual pressure in fuel line.
Refer to 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 AIR CLEANER .
Remove the injector form (A).

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

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