2024 Mitsubishi Mirage G4 Smells Like Gas

Common Causes of Fuel Odors in Your 2024 Mitsubishi Mirage G4 and Essential Safety Precautions

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Reviewed by
Bo Fader
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 Mitsubishi Mirage G4 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 Mitsubishi Mirage G4 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 Mitsubishi Mirage G4?

To effectively diagnose the gas smell in your 2024 Mitsubishi Mirage G4, start with a thorough visual inspection of the fuel system components. Begin by checking for any visible leaks around the fuel tank, fuel lines, and fuel injectors, as these are common sources of gas odors. Next, ensure that the fuel cap is securely tightened, as a loose or damaged cap can allow fumes to escape. If the smell persists, examine the fuel filter for clogs or damage, which can also contribute to gas odors. Pay special attention to the fuel injector O-rings, as worn or faulty O-rings can lead to leaks. Additionally, inspect the Evaporative Emission Control System (EVAP) for any signs of leaks, as this system is designed to prevent gas vapors from escaping. Don’t overlook the exhaust system; check for leaks in the exhaust pipes or issues with the catalytic converter that could be causing the smell. If you are unable to identify the source of the odor after these checks, it is advisable to consult a qualified mechanic for a comprehensive diagnosis. By following this diagnostic approach, you can systematically address potential issues and ensure your vehicle remains safe and functional.

What could be causing my 2024 Mitsubishi Mirage G4 to smell like gas?

If you're detecting a gas smell in your 2024 Mitsubishi Mirage G4, it's crucial to investigate the underlying causes to ensure your safety and the vehicle's performance. One of the most common culprits is a fuel leak, which can occur from damaged fuel lines, injectors, or even the fuel tank itself. Inspecting these components for any signs of wear or damage can help identify the source of the leak. Additionally, a faulty fuel injector may not atomize fuel correctly, leading to an odor; checking for leaks around the injectors can be a good starting point. Another area to consider is the evaporative emissions system, where issues like a malfunctioning charcoal canister or purge valve can release fuel vapors into the cabin. Don't overlook the gas cap, as a loose or damaged cap can easily allow vapors to escape. Lastly, an exhaust system leak, particularly from the manifold or catalytic converter, can also produce a gas smell. If you're comfortable with DIY repairs, start by inspecting these areas, but remember that if the problem persists, consulting a qualified mechanic is advisable to ensure a thorough diagnosis and safe resolution.

How urgent is it to address the gas smell in my 2024 Mitsubishi Mirage G4?

Addressing a gas smell in your 2024 Mitsubishi Mirage G4 is not just a matter of convenience; it is a critical safety issue that requires immediate attention. Ignoring this warning can lead to severe consequences, including the risk of fire or explosion due to gas leaks. Additionally, the inhalation of gas fumes poses serious health risks, potentially causing symptoms such as dizziness, nausea, and headaches. Beyond safety and health concerns, a gas leak can also negatively affect your vehicle's performance, leading to decreased fuel efficiency and increased repair costs over time. Therefore, if you detect a gas smell, it is essential to act quickly—either by investigating the source yourself or seeking professional assistance to ensure both your safety and the optimal functioning of your Mitsubishi Mirage G4.

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