Kia Optima Hybrid: Fuel Delivery System / Components and Components Location

Components Location

1. Fuel Tank
2. Fuel Pump
3. Fuel Filter
4. Fuel Pressure Regulator
5. Canister
6. Auxiliary Canister
7. Fuel Tank Air Filter
8. Fuel Tank Band
9. Fuel Filler Hose
10. Natural Vacuum Leakage Detection (NVLD)
11. Fuel Level Sender (FLS)
12. Ventilation Hose
13. Vapor Tube
14. Fuel Pump Plate Cover

Fuel Delivery System

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Repair procedures

Fuel Pressure Test 1. 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 ...

Other information:

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Intake Air Temperature Sensor (IATS) Description and Operation


Description Intake Air Temperature Sensor (IATS) is included inside Manifold Absolute Pressure Sensor and detects the intake air temperature. To calculate precise air quantity, correction of the air temperature is needed because air density varies according to the temperature. So the ECM uses not only ...

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Photo Sensor Description and Operation


Description 1. The photo sensor is located at the right of defrost nozzle. 2. The photo sensor contains a photovoltaic (sensitive to sunlight) diode. The solar radiation received by its light receiving portion, generates an electromotive force in proportion to the amount of radiation received which is ...

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