Ford Explorer Smells Like Gas

Common Causes of Fuel Odors in Your Ford Explorer and Essential Safety Measures to Take

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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
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40% chance it's the
Emissions Control System
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45% chance it's
Something else
The most common reasons a Ford Explorer 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 Ford Explorer 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.

Troubleshooting Gas Smell in a Ford Explorer

When faced with a gas smell in your Ford Explorer, it's essential to adopt a diagnostic approach that prioritizes safety and efficiency. Begin with a visual inspection of your vehicle, looking for any obvious signs of fuel leaks or damage. Pay particular attention to the gas cap; a loose or damaged cap can often be the culprit behind fuel vapors escaping. If the cap appears secure, proceed to inspect the fuel lines, fuel injectors, and the fuel tank vent line for any visible leaks. Understanding common causes, such as issues with the fuel system, purge valve, or charcoal canister, can help you narrow down potential problems. Remember, accurately diagnosing the source of the gas smell is crucial for determining the right solution. Ignoring this issue can lead to safety hazards, so it’s vital to address it promptly. Regular maintenance and inspections can also prevent future occurrences, ensuring your Ford Explorer remains safe and functional.

What Could Cause a Gas Smell in a Ford Explorer?

When you detect a gas smell in your Ford Explorer, it’s crucial to identify the underlying cause to ensure both safety and vehicle performance. One of the most frequent culprits is a loose or damaged gas cap, which can allow fuel vapors to escape. This is an easy fix; simply check the cap for tightness or any signs of wear. If the gas cap is secure, you may need to investigate further into the fuel system. Look for signs of leaks around the fuel lines or the fuel pump assembly, as these can lead to a noticeable gas odor. Additionally, consider the emissions control system; a malfunctioning catalytic converter can not only produce a gas smell but may also trigger the check engine light. Exhaust system issues can also contribute to the problem, particularly if exhaust gases are leaking into the cabin. Lastly, be mindful of overfilling the gas tank or any evaporative emissions system leaks, as these can also lead to a gas smell. Addressing these issues promptly through regular maintenance and DIY inspections can help eliminate the gas smell and keep your Ford Explorer running smoothly.

What Should You Do If Your Ford Explorer Smells Like Gas?

If your Ford Explorer emits a gas smell, it’s crucial to act swiftly, as neglecting this issue can lead to serious safety hazards and costly repairs. A gas odor often indicates a leak or malfunction within the fuel system, which can pose a fire risk and compromise your vehicle's performance. Start by checking the gas cap; a loose or damaged cap is a common culprit that can easily be fixed. Next, perform a thorough visual inspection of your vehicle to identify any visible signs of leaks or damage. If the source remains elusive, seeking expert advice is essential, as professionals can provide insights and cost estimates for necessary repairs. Additionally, familiarize yourself with Ford's service bulletins, which may offer guidance on specific issues related to gas smells. Addressing these concerns promptly not only enhances your safety but also helps maintain the integrity of your vehicle, ensuring a more enjoyable driving experience.

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