1998 Lincoln Continental Smells Like Gas

Common Causes of Gas Smells in Your 1998 Lincoln Continental and Essential Safety Precautions

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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 1998 Lincoln Continental 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 1998 Lincoln Continental 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 could be causing my 1998 Lincoln Continental to smell like gas, and how should I diagnose the issue?

When diagnosing a gas smell in your 1998 Lincoln Continental, it's essential to adopt a systematic approach that prioritizes simpler checks before delving into more complex issues. Start by inspecting the fuel system for any visible leaks, as even minor cracks in fuel lines or a damaged fuel tank can lead to significant odors. Next, ensure that the fuel cap is tightly secured; a loose or worn cap is a common culprit for gas smells. If these initial checks do not resolve the issue, examine the fuel filter for clogs, as a dirty filter can cause fuel to back up and leak. Additionally, inspect the fuel injectors for any signs of malfunction, as faulty injectors can also contribute to the problem. If the smell persists, consider the evaporative emissions control system, which may require professional evaluation if components like the charcoal canister or purge valve are malfunctioning. Lastly, don’t overlook the exhaust system; leaks in the exhaust manifold or catalytic converter can also produce a gas-like odor. By following this diagnostic approach, you can effectively identify and address the source of the gas smell in your vehicle. If you encounter any uncertainties during this process, consulting a qualified mechanic is advisable for a comprehensive assessment.

What could be causing my 1998 Lincoln Continental to smell like gas?

If your 1998 Lincoln Continental is emitting a smell of gas, it’s essential to investigate the potential causes to maintain safety and vehicle integrity. Common issues include leaking fuel injectors, which can release gas fumes into the air, and faulty fuel lines that may be cracked or damaged, leading to fuel leaks. Additionally, a loose or damaged gas cap can allow fuel vapors to escape from the tank, contributing to the odor. More serious problems could involve a leak in the fuel tank itself or malfunctions within the Evaporative Emissions Control System (EVAP), designed to capture and recirculate fuel vapors. Addressing these issues promptly is crucial, as they can pose significant safety hazards. If you detect a gas smell, it is highly recommended to consult a professional mechanic who can accurately diagnose and resolve the issue, ensuring your vehicle remains safe and functional.

How urgent is it to address the gas smell in my 1998 Lincoln Continental?

Addressing a gas smell in your 1998 Lincoln Continental is not just a matter of inconvenience; it is a pressing safety concern that requires immediate attention. Gas leaks can lead to catastrophic fire hazards, putting both you and others at risk. Moreover, the inhalation of gas fumes poses serious health risks, including dizziness, headaches, and nausea, which can escalate to more severe health complications with prolonged exposure. Additionally, neglecting this issue can result in further damage to your vehicle, leading to costly repairs that could have been avoided with timely intervention. Therefore, if you detect a gas smell, it is imperative to act swiftly to ensure your safety and the integrity of your vehicle.

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