Kia Optima: Second generation (MG; 2005–2010)

First generation (MS; 2000–2005)

From 2000-2005 Optimas were a rebadged variant of the Hyundai Sonata, differing only from the Sonata in minor exterior styling details and equipment content. ...

Third generation (TF; 2011-present)

The completely redesigned Optima features a much sleeker, sportier profile designed by new Kia design chief Peter Schreyer. ...

See also:

Water pump. Repair procedures
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Relay Box (Engine Compartment). Repair procedures
Inspection Power Relay Test (Type A) - Do not use pliers. - Pliers will damage the re ...

Removal
In case of removing the high pressure fuel pump, high pressure fuel pipe, delivery pipe, and injector, there may be injury caused by ...