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2021 Kia Seltos Fuel System Problems

6 owner-reported fuel system complaints from NHTSA data

6
Complaints
Jan 2024Dec 2025
Date Range

Data sourced from NHTSA public database. For informational purposes only. Always consult a qualified mechanic.

Owner Complaints (6)

highFUEL/PROPULSION SYSTEM
Filed: Jan 2024

The vehicle was sputtering and then shut off and would not start. I called KIA and had it towed to Dealership. They called several days later stating there was nothing wrong with the vehicle.

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NHTSA #: 11564959
mediumFUEL/PROPULSION SYSTEM
Filed: Dec 2025

Can smell gas fumes in and around car. Afraid to drive. Took to dealer.

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NHTSA #: 11705286
mediumFUEL/PROPULSION SYSTEM
Filed: Aug 2023

I've owned this car since it was new. I've been disappointed with the transmission. At low speeds, it will hesitate and shudder.

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NHTSA #: 11541752
mediumFUEL/PROPULSION SYSTEM
Filed: Mar 2023

A Unknown component has failed with the vehicles fuel system. The service center at the Kia Dealership was unable to clear the associated Check engine light after numerous attempts. This is the Third time I tuned in for this same reason.

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NHTSA #: 11511519
mediumFUEL SYSTEM, GASOLINE,POWER TRAIN,LANE DEPARTURE
Filed: Jul 2022

The contact owns a 2021 Kia Seltos. The contact stated while driving 65 MPH, an object fell from a vehicle ahead. The contact stated that while attempting to switch lanes, the Blind Spot Detection system returned the vehicle back into the lane and the vehicle struck the object causing damage to the front mid-section of the skid plate.

NHTSA #: 11472978
mediumFUEL SYSTEM, GASOLINE,ELECTRICAL SYSTEM
Filed: Jan 2022

The contact owns a 2021 Kia Seltos. The contact stated that while stopped, the fuel-saving system would turn off the engine however, whenever the brake pedal was released, the engine failed to immediately restart. The contact then had to turn off and restart the vehicle.

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NHTSA #: 11448189

Other 2021 Kia Seltos Issues