Kia Optima Hybrid: Emission Control System / Troubleshooting
| Troubleshooting |
| Symptom | Suspect area |
| Engine will not start or struggle to start | Vapor hose damaged or disconnected |
| Engine struggles to start | Malfunction of the Purge Control Solenoid Valve |
| Rough idle or engine stalls | Vapor hose damaged or disconnected |
| Malfunction of the PCV valve | |
| Rough idle | Malfunction of the Evaporative Emission Control System |
| Excessive oil consumption | Positive crankcase ventilation line clogged |
Special Service Tools
Personal Protective Equipment NameIllustrationDescriptionInsulation gloveUsed when inspecting or working on the high voltage components[Insulation performance : 1000V / 300A or above]Insulation shoesUsed ...
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: Front Wiper Motor Repair procedures
Removal 1. Loosen the windshield wiper arm nut (B) after removing a wiper cap (A). 2. Remove the windshield wiper arm and blade (A). 3. If necessary, release the wiper blade fixing clip by pulling up and remove the wiper blade from the inside radius of wiper arm. 4. Disconnect the washer hose (A) connected ...