Kia Optima Hybrid: Engine Mechanical System

General Information

Identification Number Locations Identification Number Description Vehicle Identification Number 1. World Manufacturer Identifier (WMI) - KNA : Passenger vehicle, MPV(Multipurpose Passenger Vehicle)/SUV(Sports ...

General Safety Information and Caution

Safety Precaution     Since hybrid vehicles contain a high voltage battery, if the high voltage system or vehicles are handled incorrectly, this might lead to a serious accidents like electric ...

Other information:

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Fuel Pump Repair procedures


Removal 1. Release the residual pressure in fuel line (Refer to “Release Residual Pressure in Fuel Line” in this group). 2. Remove the fuel tank. (Refer to "Fuel Tank" in this group) 3. Disconnect the fuel tank pressure sensor & fuel pump connector (A). 4. Remove the plate cover (B) after removing ...

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Relay Box (Passenger Compartment) Repair procedures


Fuse Inspection 1. Be sure there is no play in the fuse holders, and that the fuses are held securely. 2. Are the fuse capacities for each circuit correct? 3. Are there any blown fuses? If a fuse is to be replaced, be sure to use a new fuse of the same capacity. Always determine why the fuse blew first ...

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