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.
Disconnect the injector connector (A).
Remove the installation nut, and then disconnect the fuel feed tube (B).
Delivery pipe installation nut (↔ Fuel feed tube):

3.9 - 5.9 N.m (0.4 - 0.6 kgf.m, 2.9 - 4.3 lb-ft)

Fig 1: Disconnecting Injector Connector
Courtesy of KIA MOTORS AMERICA, INC.
Remove the mounting bolts (A), and then remove the delivery pipe & injector assembly (B) from the engine.
Delivery pipe mounting bolt:

18.6 - 23.5 N.m (1.9 - 2.4 kgf.m, 13.7 - 17.4 lb-ft)

Fig 2: Removing Delivery Pipe & Injector Assembly From Engine
Courtesy of KIA MOTORS AMERICA, INC.
Remove the fixing clip (A), and then separate the injector (B) from the delivery pipe. (C)

Fig 3: Separating Injector From Delivery Pipe (1 Of 2)
Courtesy of KIA MOTORS AMERICA, INC.

Fig 4: Separating Injector From Delivery Pipe (2 Of 2)
Courtesy of KIA MOTORS AMERICA, INC.