1999 Ford Taurus Smells Like Gas

Common Causes of Fuel Odors in Your 1999 Ford Taurus 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
0%
40% chance it's the
Emissions Control System
0%
45% chance it's
Something else
The most common reasons a 1999 Ford Taurus 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 efficiency.
  • 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 1999 Ford Taurus 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.

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 1999 Ford Taurus to smell like gas, and how should I diagnose the issue?

When diagnosing a gas smell in your 1999 Ford Taurus, it's essential to adopt a systematic approach that begins with the simplest solutions before moving on to more complex issues. Start by inspecting the gas cap, as a loose or damaged cap is a frequent cause of fuel odors. Ensure it is tightly sealed and in good condition. Next, conduct a visual inspection of the fuel system, focusing on the fuel lines and connections for any signs of leaks or damage. Look for wet spots or stains under the vehicle, which could indicate a fuel leak. If the smell persists, check the evaporative emissions system for leaks, as this can also contribute to gas odors. Additionally, consider whether you have recently overfilled the gas tank, as this can lead to fuel vapors escaping. If you notice the smell only when the engine is running, inspect the o-rings around the fuel injectors and other engine components. By following this diagnostic approach, you can effectively narrow down the potential causes of the gas smell and determine whether a simple fix will suffice or if professional assistance is needed for more complex repairs.

What are the common causes of a gas smell in a 1999 Ford Taurus?

When you detect a gas smell in your 1999 Ford Taurus, it's crucial to address the issue promptly to ensure safety and vehicle performance. One of the primary culprits could be a faulty Canister Purge Valve solenoid, which can allow gasoline vapors to enter the cabin. Additionally, you should inspect for potential gas leaks, as these not only pose a fire hazard but also expose you to toxic fumes. Another area to examine is the Evaporative Emission Control System; any leaks or blockages in this system can lead to unpleasant odors. Lastly, if the carbon canister is damaged or saturated, replacing it may be necessary to eliminate the gas smell. By understanding these common problems, you can take the appropriate steps to diagnose and resolve the issue effectively.

How urgent is it to address a gas smell in a 1999 Ford Taurus?

Addressing a gas smell in a 1999 Ford Taurus is an urgent matter that should not be overlooked. The presence of gasoline fumes poses serious health risks, including the potential for carbon monoxide poisoning, which can occur even in the absence of a visible fire hazard. A gas smell often indicates a gasoline leak, which significantly increases the risk of fire, especially if the fumes come into contact with hot engine components. Moreover, gasoline can evaporate quickly, masking the problem while still creating a hazardous environment. This situation is further complicated by the possibility of a faulty PCV hose, as noted in Ford's service bulletin #16-0045, which requires immediate replacement to mitigate the issue. Therefore, it is crucial to address any gas smell promptly to protect yourself and others from potential health risks and to prevent dangerous fire hazards associated with gasoline leaks.

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