1997 Ford Explorer Smells Like Gas

Identifying Potential Causes of Gas Smells in Your 1997 Ford Explorer and Safety Precautions to Take

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Reviewed by
Andrew Hajjar
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 1997 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 1997 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.

What are the steps to diagnose a gas smell in a 1997 Ford Explorer?

To effectively diagnose a gas smell in your 1997 Ford Explorer, start with a thorough visual inspection of the vehicle's undercarriage and engine compartment. Look for any visible leaks, such as wet spots or puddles of gasoline, which can indicate a direct source of the odor. Next, carefully examine the fuel lines and connections for signs of damage or corrosion, as well as ensuring that all fittings are secure. Pay special attention to the fuel tank, as any leaks or damage here can lead to significant gas fumes escaping. Additionally, inspect the fuel injector O-rings for wear, as compromised seals can also contribute to the smell. Don’t overlook the fuel filter; a clogged or leaking filter can emit gas odors as well. It’s also crucial to check the EVAP system, which is designed to prevent fuel vapors from escaping, as any leaks or malfunctions here can be problematic. Lastly, assess the exhaust system for any leaks that might allow exhaust fumes, including gasoline odors, to enter the cabin. If these steps do not reveal the source of the gas smell, or if you feel uncomfortable performing these checks, it’s wise to consult a qualified mechanic for a professional diagnosis and repair. By following this diagnostic approach, you can systematically identify and address the issue, ensuring your vehicle remains safe and functional.

What could be causing my 1997 Ford Explorer to smell like gas?

If your 1997 Ford Explorer is giving off a gas smell, it’s crucial to identify the underlying issues to ensure both safety and vehicle performance. One common culprit is a leaking fuel injector, which can lead to fuel escaping into the engine compartment, creating a strong odor. Additionally, inspect the fuel lines for any signs of wear or damage, as cracks or leaks in these lines can also contribute to the smell. Don’t overlook the gas cap; a loose or damaged cap can allow fuel vapors to escape, resulting in noticeable odors. Furthermore, problems with the evaporative emissions system, including components like the charcoal canister and purge valve, can lead to gas smells if they are malfunctioning. Lastly, check for any leaks in the fuel tank itself, as damage to the tank can cause fuel seepage. Addressing these issues promptly is essential, and while some repairs may be manageable for a DIY enthusiast, consulting a qualified mechanic for a thorough inspection is advisable to ensure safety and proper resolution of the problem.

How urgent is it to address the gas smell in my 1997 Ford Explorer?

Addressing the gas smell in your 1997 Ford Explorer is not just a matter of convenience; it is a critical safety issue that demands immediate attention. The presence of a gasoline odor can indicate a fuel system leak, which poses significant risks, including the potential for fire or explosion. Ignoring this warning sign can lead to more severe damage to your vehicle, resulting in costly repairs and jeopardizing your safety on the road. Therefore, it is essential to investigate the source of the smell as soon as possible. This may involve checking fuel lines, the fuel tank, and other components of the fuel system for leaks or damage. Taking swift action not only protects your vehicle but also ensures the safety of you and your passengers.

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1997 Ford Explorer Gas Smell Issues: Causes & Repairs