2023 Mitsubishi Outlander Sport Smells Like Gas

Common Causes of Gas Smells in Your 2023 Mitsubishi Outlander Sport and How to Address Them

Find Repair Location
Reviewed by
Aisha
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 2023 Mitsubishi Outlander 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 2023 Mitsubishi Outlander 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.

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.

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 2023 Mitsubishi Outlander Sport?

When diagnosing a gas smell in your 2023 Mitsubishi Outlander Sport, it's essential to adopt a systematic approach that prioritizes simpler checks before moving on to more complex diagnostics. Start by visually inspecting the fuel system components, including the fuel tank, lines, and injectors, for any signs of leaks or damage. A common culprit for gas odors is a loose or damaged fuel cap, so ensure it is securely fastened. Next, look for wet spots beneath the vehicle, which can indicate a fuel leak. Additionally, examine the exhaust system for any leaks, as these can sometimes mimic the smell of gasoline. Keep an eye on your fuel consumption; an unexpected increase may signal a problem. If these initial checks 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 professional inspection. This methodical approach not only helps in identifying the problem efficiently but also ensures that you address any potential safety hazards promptly.

What could be causing my 2023 Mitsubishi Outlander Sport to smell like gas?

If your 2023 Mitsubishi Outlander Sport has a gas smell, it’s crucial to investigate the underlying causes to ensure safety and vehicle performance. One of the most common culprits is a fuel leak, which can occur from various components such as fuel injectors, fuel lines, or even the fuel tank itself. A faulty fuel cap is another frequent issue; if it’s loose, damaged, or missing, it can allow fuel vapors to escape, creating a noticeable odor. Additionally, problems with the evaporative emissions system, designed to contain fuel vapors, can also lead to a gas smell inside the vehicle. Another potential source is a leak in the exhaust system, particularly near the engine, which can mimic a gas-like odor. Lastly, overfilling the gas tank can cause fuel to spill, resulting in a strong gas smell. If you notice any of these signs, it’s advisable to conduct a thorough inspection or consult a qualified mechanic to address the issue promptly.

How urgent is it to address a gas smell in a 2023 Mitsubishi Outlander Sport?

Addressing a gas smell in your 2023 Mitsubishi Outlander Sport is not just a matter of inconvenience; it is a pressing safety concern that requires immediate attention. Gas leaks pose significant risks, including the potential for fires or explosions, which can have devastating consequences. Additionally, inhaling gas fumes can lead to serious health issues, such as dizziness, nausea, and headaches, making it imperative to act quickly. Ignoring the smell can also result in further damage to your vehicle, leading to costly repairs down the line. Therefore, if you detect a gas odor, it is crucial to seek professional assistance without delay to diagnose and resolve the issue, ensuring both your safety and the optimal performance of your vehicle.

You’ve got options with RepairPal

Whether you need a more accurate auto repair estimate or help finding a reputable shop in your area, we’ve got you covered.