2024 Kia Seltos Smells Like Gas

Identifying Potential Causes of Gas Smells in Your 2024 Kia Seltos and Essential Safety Measures

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Reviewed by
Devin Cabugcal
Written by RepairPal Car Genius
Updated January 14, 2025
0%
15% chance it's the
Gas Cap
0%
40% chance it's the
Emissions Control System
0%
45% chance it's
Something else
The most common reasons a 2024 Kia Seltos smells like gas are the gas cap, the fuel system, or the emissions control system.
  • Gas Cap: A loose or damaged gas cap can cause fuel vapors to escape, triggering the check engine light and potentially affecting fuel system pressure.
  • Emissions Control System: A faulty emissions control system can lead to increased hydrocarbon emissions and trigger the check engine light due to malfunctioning components like the EGR valve or O2 sensors.
Proper diagnosis will determine the exact cause of your symptom, saving you money on unnecessary repairs. The diagnostic experts at RepairPal Certified shops have the right tools and experience to solve any symptom.

How much does it cost to fix a 2024 Kia Seltos smells like gas?

Common Repairs

The total repair cost will vary based on the condition of your vehicle and the number of repairs needed to fix your symptom. Proper diagnosis will save you money by finding the exact repairs needed to fix your car right the first time.

The check engine light will illuminate any time there is a failed EVAP system test. This will be indicated by the various on-board diagnostics trouble codes that are stored in the vehicle's memory. Also, in some models, there may be a popping sound accompanying the check engine light, as the leak detection pump continuously attempts to pressurize the fuel tank. The canister may also cause difficulty starting the engine, a rough idle, and poor fuel mileage.

When the fuel filter begins to clog, the engine suffers from fuel starvation. This will cause a significant reduction in power and may also cause a misfire. These conditions may be intermittent, or constant and worsen over time. As the issue progresses, the engine may being to stall immediately after starting, fail to start, hesitate under throttle, or stall at particular angles on hills.

The check engine light will illuminate any time there is a failed EVAP system test. This will be indicated by the various on-board diagnostics trouble codes that are stored in the vehicle's memory. Also, in some models, there may be a popping sound accompanying the check engine light, as the leak detection pump continuously attempts to pressurize the fuel tank. A fuel tank leak may also cause difficulty starting the engine, a rough idle, and poor fuel mileage. When a fuel tank is simply corroded to the point of failure, the exterior tank condition rarely shows damage. The inside of the fuel tank will be rusted or corroded, and rust flakes or other debris may be floating in the fuel.

For most vehicles, the only symptom will be a check engine light or fuel tank filler cap light illuminating on the driver instrument cluster. This is to signal that there is an evaporative emissions (EVAP) leak. In some situations, the vehicle may take longer than normal to start, or, more rarely, the engine may not start at all. on-board diagnostic (OBD) trouble codes will refer to EVAP system failures such as a small or massive EVAP system leak. Lastly, the powertrain control module may notice a lean running condition, which could even lead to random and infrequent misfires.

What steps should I take to diagnose the gas smell in my 2024 Kia Seltos?

When diagnosing a gas smell in your 2024 Kia Seltos, it's essential to adopt a systematic approach that prioritizes safety and efficiency. Start by checking for visible leaks around your vehicle, as any puddles or wet spots can indicate a fuel leak. Next, inspect the fuel lines and connections for any signs of damage or looseness, as these are common culprits for gas odors. Don’t overlook the fuel tank; examine it closely for any signs of wear or leaks. Additionally, consider the condition of the fuel injector, as a malfunctioning injector can contribute to the smell. A clogged or dirty fuel filter may also be a factor, so inspecting and potentially replacing it is advisable. If these steps do not reveal the source of the odor, or if you suspect a more serious issue, it’s wise to consult a qualified mechanic for a comprehensive diagnosis. By following this methodical approach, you can effectively identify and address the cause of the gas smell in your vehicle.

What could be causing a gas smell in my 2024 Kia Seltos?

If you're detecting a gas smell in your 2024 Kia Seltos, it's crucial to investigate the underlying causes to ensure both your safety and the vehicle's performance. One of the most common culprits is a fuel leak, which can occur in various areas such as the fuel tank, fuel lines, or injectors. Inspecting these components for any signs of leakage can be a good starting point. Additionally, a loose gas cap is often overlooked; ensuring that the cap is tightly sealed can eliminate the odor. Another potential issue could stem from the evaporative emissions system, which manages fuel vapor release. If this system is malfunctioning, it may require further examination. Furthermore, an exhaust system leak can also allow gas odors to infiltrate the cabin, so checking for any visible damage or rust in the exhaust components is advisable. Lastly, if you've recently overfilled your gas tank, this could lead to gasoline spilling and creating a persistent smell. Addressing these issues promptly is essential, and while some may be manageable as DIY projects, consulting a qualified mechanic for a thorough inspection is always a wise choice to ensure comprehensive safety and functionality.

How urgent is it to address the gas smell in my 2024 Kia Seltos?

When you detect a gas smell in your 2024 Kia Seltos, it is essential to act swiftly due to the serious safety risks involved. Gasoline leaks not only create a fire hazard but can also lead to potential explosions, making immediate attention crucial. Additionally, inhaling gasoline fumes poses health risks, including dizziness and nausea, which can escalate with prolonged exposure. For those considering a DIY approach, start by inspecting the fuel lines and connections for any visible leaks or damage. Check the fuel tank and surrounding areas for signs of wetness or corrosion. If you notice any issues, it’s advisable to address them right away, as neglecting these symptoms can lead to more significant damage and costly repairs down the line. While some minor fixes may be manageable at home, do not hesitate to consult a professional mechanic for a thorough inspection to ensure your safety and the reliability of your vehicle.

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