2010 Honda Accord Crosstour Smells Like Gas

Addressing Gas Smells in Your 2010 Honda Accord Crosstour for Safety

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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 2010 Honda Accord Crosstour 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 2010 Honda Accord Crosstour 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.

A failing catalytic converter can cause a vehicle to fail emissions tests and turn on the check engine light. The exhaust might have an unusual smell. A restricted catalytic converter can result in a loss of engine power.

» LEARN MORE: How to tell if your catalytic converter is failing

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 are the potential causes and diagnostic steps for a gas smell in a 2010 Honda Accord Crosstour?

When addressing a gas smell in your 2010 Honda Accord Crosstour, it's essential to adopt a systematic diagnostic approach that prioritizes simpler solutions before delving into more complex issues. Start by checking the gas cap; a loose or damaged cap can lead to fuel vapors escaping, which is an easy fix. Next, inspect the fuel system for any visible leaks or damage, as this can often be the source of the odor. Pay particular attention to the fuel injectors, as a leaking injector or worn seals can contribute significantly to the smell of gasoline. Additionally, ensure that the fuel pump is functioning correctly, as malfunctions here can also lead to gas odors. If these initial checks do not resolve the issue, it may be necessary to consult a mechanic for a more thorough inspection. By following this structured approach, you can effectively identify and address the cause of the gas smell in your vehicle.

What could be causing the gas smell in my 2010 Honda Accord Crosstour?

If you're detecting a gas smell in your 2010 Honda Accord Crosstour, it's crucial to investigate the underlying causes to ensure both safety and vehicle performance. One of the most common culprits is a fuel leak, which can occur from various points in the fuel system, such as a damaged fuel injector or a compromised fuel line. Additionally, a faulty fuel cap can lead to fuel vapors escaping, creating an unpleasant odor inside and outside the vehicle. Another potential issue could stem from the evaporative emissions control system, which is responsible for capturing fuel vapors; if this system malfunctions, it can result in a noticeable gas smell. Furthermore, an exhaust system leak, particularly near the catalytic converter or muffler, may also produce a gas-like odor. Lastly, overfilling the gas tank can cause fuel to spill, leading to a strong gas smell. For those inclined to DIY, it's advisable to conduct a thorough inspection of these components, but if the problem persists, consulting a qualified mechanic is recommended to ensure a proper diagnosis and resolution.

How urgent is it to address the gas smell in my 2010 Honda Accord Crosstour?

Addressing a gas smell in your 2010 Honda Accord Crosstour is not just a matter of comfort; it is a critical safety concern that requires immediate attention. Ignoring the smell of gasoline can lead to severe consequences, including the risk of fire and health hazards from inhaling toxic fumes. The potential for a gasoline leak can stem from various issues, such as a faulty gas cap, damaged fuel lines, or problems within the fuel system. Each of these issues not only compromises the safety of your vehicle but can also lead to more extensive and costly repairs if left unaddressed. Therefore, if you detect a gas smell, it is imperative to park your vehicle in a safe location and refrain from driving it until the problem is diagnosed and resolved. Taking swift action not only protects your well-being but also ensures the longevity and reliability of your Honda Accord Crosstour.

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