Hyundai Elantra 2019 misfiring, loss of power, stalling in gear, and alternator voltage drop issue on Hyundai Elantra

Submitted by Vehicle Owner · Jun 23, 2025
Published by RepairPal

Problem overview

Some 2019 Hyundai Elantra owners report experiencing issues such as misfiring, loss of power, stalling in gear, and alternator voltage drop problems. Misfiring can occur due to factors like faulty spark plugs or ignition coils, and it is crucial to address this promptly to avoid further engine damage. Additionally, loss of power may result from worn-out spark plugs or a clogged fuel filter, negatively impacting engine performance. Some owners have also reported their Elantra stalling or losing power while driving, which can be particularly dangerous. Furthermore, while specific details on alternator voltage drop issues are limited, such problems can lead to electrical complications that affect overall vehicle performance. It is advisable for owners encountering these issues to consult a professional mechanic for diagnosis and resolution.

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