Kia Optima Hybrid: Evaporative Emission Control System / NVLD(Natural Vacuum Leakage Detection) Schematic Diagrams

Circuit Diagram

NVLD(Natural Vacuum Leakage Detection) Troubleshooting

Waveform ...

NVLD(Natural Vacuum Leakage Detection) Repair procedures

Removal 1. Turn the ignition switch OFF and disconnect the battery negative (-) terminal. 2. Disconnect the NVLD connector (A). 3. Disconnect the ventilation hoses (B,C). 4. Remove the NVLD after by loosening ...

Other information:

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Weight Classification System (WCS) Repair procedures


Removal 1. Disconnect the battery negative cable, and wait for at least three minutes before beginning work. 2. Remove the front passenger seat assembly. (Refer to the Body group - "Seat") 3. Remove the OCS assembly. (Refer to the Body group - "Seat")     – There are several case about DTC, ...

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


Replacement 1. Remove the fuel pump (Refer to “Fuel Pump” in this group). 2. Disconnect the electric pump wiring connector (A) and the fuel sender connector (B). 3. Remove the cushion pipe fixing clip (C), and then separate the head assembly (D). 4. Remove the return nozzle (B) after releasing the ...

© 2025 Copyright www.koptimatfhev.com