Kia Optima: Removal - Delivery Pipe. Repair procedures - Fuel Delivery System - Engine Control/Fuel System - Kia Optima TF 2011-2026 Service ManualKia Optima: Removal

In case of removing the high pressure fuel pump, high pressure fuel pipe, delivery pipe, and injector, there may be injury caused by leakage of the high pressure fuel. So don’t do any repair work right after engine stops.

1. Turn the ignition switch OFF and disconnect the battery negative (-) cable.
2. Release the residual pressure in fuel line (Refer to “Release Residual Pressure in Fuel Line” in this group).
When removing the fuel pump relay, a Diagnostic Trouble Code (DTC) may occur. Delete the code with the GDS after completion of “Release Residual Pressure in Fuel Line” work.
3. Remove the intake manifold (Refer to "Intake And Exhaust System" in EM group).
4. Disconnect the injector connectors (A) and the rail pressure sensor connector (B).
5. Remove the high pressure fuel pipe (C).
6. Remove the installation bolt (D), and then remove the delivery pipe and injector assembly from the engine.


Delivery Pipe. Repair procedures
...

Installation
• Install the component with the specified torques. ...

See also:

Servicing The Electrical System
1. Prior to servicing the electrical system, be sure to turn off the ignition switch and disconnect the battery ground cable. ...

Fuel Gauge
The fuel gauge indicates the approximate amount of fuel remaining in the fuel tank. Fuel tank capacity - 16.9 gal. (65 liters). The fuel gauge is supplemented by a low fuel warning light, which ...

Smart key precautions
✽ NOTICE If, for some reason, you happen to lose your smart key, you will not be able to start the engine. Tow the vehicle, if necessary, and contact an authorized Kia dealer. A max ...

Copyright www.kiopman.com 2026