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:

OFF mode
Press the OFF button to turn off the air climate control system. However you can still operate the mode and air intake buttons as long as the ignition switch is in the ON position. ...

Checking tire inflation pressure
Check your tires once a month or more. Also, check the tire pressure of the spare tire. How to check Use a good quality gage to check tire pressure.You can not tell if your tires are proper ...

Inspection
1. Check the strut bearing for wear and damage. 2. Check the spring upper and lower seat for damage and deterioration. 3. Compress and extend the pist ...

Copyright www.kiopman.com 2026