Kia Cadenza cuts off while driving and won't restart for several hours after starter replacement on Kia Cadenza

Some Kia Cadenza owners report experiencing issues such as the vehicle cutting off while driving and failing to restart for several hours following a starter replacement. These problems may stem from low fuel pressure, often due to a weak fuel pump, which can cause the engine to shut off unexpectedly. Additionally, concerns with the car's battery power might prevent the engine from restarting, as the vehicle's computer relies on battery power when the engine is off. Owners have also reported electrical issues, including a faulty battery or alternator with low charge, leading to similar shutdowns and restart difficulties. Furthermore, the presence of an ESC light can indicate starting issues, requiring specific actions to restart the vehicle. In cases involving engine replacement, problems may persist even after a starter replacement, highlighting the importance of ensuring all components are functioning correctly. If these issues continue, a comprehensive diagnostic check is recommended to identify and resolve the underlying causes effectively.