2002 Dodge Durango Smells Like Gas

Identifying Potential Causes of Gas Smells in Your 2002 Dodge Durango and Safety Precautions 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
0%
40% chance it's the
Emissions Control System
0%
45% chance it's
Something else
The most common reasons a 2002 Dodge Durango 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 2002 Dodge Durango 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.

What are the potential causes of a gas smell in a 2002 Dodge Durango, and how should I diagnose the issue?

When faced with a gas smell in your 2002 Dodge Durango, it's essential to adopt a systematic diagnostic approach to identify the root cause effectively. Start with a thorough visual inspection of the fuel system, looking for any obvious signs of leaks around the fuel lines, tank, and injectors. A faulty fuel injector can also contribute to the odor, so pay attention to symptoms like poor fuel economy or rough idling, which may indicate a malfunction. Additionally, inspect the evaporative emissions system, as issues with components like the charcoal canister or purge valve can lead to fuel vapors escaping. Don’t overlook the gas cap; ensure it is secure and undamaged, as a loose or broken cap can easily allow gas vapors to escape. Lastly, check the exhaust system for any leaks, as these can sometimes mimic a gas smell. If the check engine light is illuminated, using an OBD-II scanner can provide valuable error codes to guide your diagnosis. By following this structured approach, you can effectively narrow down the potential causes of the gas smell and take appropriate action to resolve the issue.

What could be causing my 2002 Dodge Durango to smell like gas?

If your 2002 Dodge Durango is giving off a gas smell, it’s crucial to identify the underlying issues to ensure both safety and vehicle performance. Common problems include leaking fuel injectors, which can lead to fuel escaping and creating a strong odor. Additionally, faulty fuel lines may be deteriorating, allowing gas to seep out, while a loose or damaged gas cap can permit fuel vapors to escape, contributing to the smell. It's also important to check for leaks in the fuel tank itself, as any damage can result in noticeable gas odors. Furthermore, issues with the evaporative emissions system, such as a malfunctioning charcoal canister or purge valve, can also be culprits. Lastly, don’t overlook the exhaust system; problems like a leaking exhaust manifold or catalytic converter can sometimes mimic a gas smell. Addressing these issues promptly is essential, and while some DIY inspections can be performed, consulting a qualified mechanic for a thorough diagnosis and repair is highly recommended to ensure your vehicle remains safe and functional.

How urgent is it to address the gas smell in my 2002 Dodge Durango?

Addressing a gas smell in your 2002 Dodge Durango is not just a matter of inconvenience; it is a pressing safety concern that requires immediate action. Ignoring this issue can lead to severe consequences, including the risk of fire due to gasoline leaks, which can ignite and cause catastrophic damage to both you and your vehicle. Furthermore, inhaling gasoline fumes poses serious health risks, potentially leading to symptoms such as dizziness, headaches, and nausea, which can impair your ability to drive safely. Additionally, gasoline leaks can have detrimental effects on the environment, contaminating soil and water sources, which can lead to long-term ecological damage. Therefore, it is imperative to investigate and resolve any gas smell promptly to safeguard your health, ensure your vehicle's safety, and protect the environment.

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