Repair Procedures: Removal

WARNING: This page is about a different car, the 2021 Kia Seltos. However, it is still accessible from the selected car via links, so may be relevant.

Release the residual pressure in fuel line.
(Refer to Fuel Delivery System - "RELEASE RESIDUAL PRESSURE IN FUEL LINE ")
Disconnect the battery negative (-) terminal.
Remove the intake manifold.
(Refer to Engine Mechanical System - "INTAKE MANIFOLD ")
Remove the injector foam (A).

Courtesy of KIA MOTORS AMERICA, INC.
Disconnect the rail pressure sensor connector (A), and then remove the sensor (B) from the delivery pipe.
Tightening torque:

29.4 - 34.3 N.m (3.0 - 3.5 kgf.m, 21.7 - 25.3 lbf.ft)

Courtesy of KIA MOTORS AMERICA, INC.