Hyundai Sonata power loss while driving on the freeway without a check engine light on Hyundai Sonata

Some Hyundai Sonata owners report experiencing power loss while driving on the freeway, even without the check engine light illuminating. Common issues that may lead to this problem include faulty spark plugs, ignition system malfunctions, battery or alternator failures, and issues with wiring and electrical connections. Additionally, factors such as low fuel pressure, a malfunctioning throttle position sensor, mass air flow sensor problems, vacuum leaks, and defective ignition coils have been noted as potential causes. Some owners also experience stalling, which can be linked to a faulty crankshaft position sensor, a failing alternator, or fuel system issues. It is crucial for owners to conduct thorough troubleshooting and regular maintenance to identify and address these underlying issues promptly.