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: Brake Line Repair procedures
Removal 1. Disconnect the brake fiuid level switch connector, and remove the reservoir cap. 2. Remove the brake fluid from the master cylinder reservior with a syringe. Do not spill brake fluid on the vehicle, it may damage the paint; if brake fluid does contact the paint, wash it off immediately ...
Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Repair procedures
Adjustment TCM Learning When shift shock is occurred or parts related with the transaxle are replaced, TCM learning should be performed. In the following case, TCM learning is required. • Transaxle assembly replacement • TCM replacement • Valve body replacement • TCM upgrading TCM learning procedure ...