2015 Hyundai Santa Fe Sport Smells Like Gas

Identifying the Causes of Gas Smells in Your 2015 Hyundai Santa Fe Sport and How to Address Them

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Reviewed by
Andrew Hajjar
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 2015 Hyundai Santa Fe Sport 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 2015 Hyundai Santa Fe Sport 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.

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 are the steps to diagnose a gas smell in a 2015 Hyundai Santa Fe Sport?

When diagnosing a gas smell in your 2015 Hyundai Santa Fe Sport, it's essential to adopt a systematic approach that prioritizes simpler checks before delving into more complex diagnostics. Start by visually inspecting the area beneath your vehicle for any signs of fuel leaks, such as puddles or drips, which can indicate a problem within the fuel system. Next, ensure that the fuel cap is securely tightened, as a loose or damaged cap can allow gas odors to escape. Following this, examine the fuel lines for any visible cracks or damage, as these can lead to leaks. It's also important to check the fuel injectors for proper functionality, since faulty injectors can contribute to gas smells. Additionally, inspect the fuel tank for any signs of corrosion or damage that could be causing the odor. If these initial checks do not reveal the source of the smell, it may be necessary to consult a mechanic for a more thorough inspection. By methodically assessing these components, you can effectively identify and address the source of the gas smell in your vehicle.

What could be causing a gas smell in my 2015 Hyundai Santa Fe Sport?

If you're detecting a gas smell in your 2015 Hyundai Santa Fe Sport, it's crucial to understand the common problems that could be at play. One of the primary culprits is a fuel leak, which can occur due to damaged fuel lines, leaking fuel injectors, or a compromised fuel tank seal. Additionally, issues with the evaporative emissions system may lead to fuel vapors escaping, contributing to the odor. A faulty or improperly secured fuel cap is another frequent source of gas smells, as it can allow vapors to escape from the fuel tank. Furthermore, an exhaust system leak could introduce unburned fuel fumes into the cabin, creating a noticeable gas smell. Lastly, overfilling the gas tank can result in fuel spillage, exacerbating the issue. If you suspect any of these problems, it's advisable to conduct a thorough inspection or consult a qualified mechanic to ensure your vehicle's safety and performance.

How urgent is it to address the gas smell in my 2015 Hyundai Santa Fe Sport?

Addressing a gas smell in your 2015 Hyundai Santa Fe Sport is not just a matter of inconvenience; it is an urgent safety concern that requires immediate attention. The presence of gasoline odors can signal a fuel leak, which significantly increases the risk of fire and poses a serious threat to both your health and the integrity of your vehicle. Ignoring this warning can lead to harmful exposure to toxic fumes, resulting in symptoms like dizziness and headaches, and may escalate into more severe health issues. Furthermore, neglecting a gas smell can lead to extensive damage to your fuel system, resulting in costly repairs down the line. Therefore, it is imperative to act swiftly and investigate the source of the odor to ensure your safety and maintain the functionality of your Hyundai Santa Fe Sport.

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2015 Hyundai Santa Fe Sport Gas Smell Issues & Solutions