Hyundai Santa Fe engine won't start and hazard light is on along with check engine light on Hyundai Santa Fe

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

Problem overview

Some Hyundai Santa Fe owners report experiencing difficulties with their engine not starting, accompanied by the hazard light and check engine light being illuminated. These issues may stem from various causes, including a bad battery, failing alternator, or starter motor, as well as potential problems with the fuel delivery system, ignition switch, or immobilizer system. Additionally, if the engine cranks but fails to start, it could indicate malfunctions in the fuel injection system, spark plugs, or timing belt. The activation of the hazard light may suggest a fault in the car's security system, while the check engine light indicates a possible issue with the engine or emissions system that requires immediate attention. It is advisable for owners to seek inspection from a qualified mechanic to accurately diagnose and resolve these problems to ensure the safe and reliable operation of their Hyundai Santa Fe.

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