Repair Procedures: Removal

WARNING: This page is about a different car, the 2017 Kia Sedona. However, it is still accessible from the selected car via links, so may be relevant.

Turn the ignition switch OFF and disconnect the battery negative (-) terminal.
Release the residual pressure in fuel line.
(Refer to the Fuel Delivery System - Repair Procedures - "RELEASE RESIDUAL PRESSURE IN FUEL LINE ").
Remove the intake manifold.
(Refer to Engine Mechanical System - "INTAKE MANIFOLD ")
Disconnect the rail pressure sensor connector (A), and then remove the sensor (B) from the delivery pipe.

Fig 1: Locating Rail Pressure Sensor And Connector
Courtesy of KIA MOTORS AMERICA, INC.