1999 Dodge Dakota Smells Like Gas

Diagnosing Fuel Odor Issues in Your 1999 Dodge Dakota and Essential Safety Measures to Take

Find Repair Location
Reviewed by
Bo Fader
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 Dodge Dakota 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 1999 Dodge Dakota 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.

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 and diagnostic steps for a gas smell in a 1999 Dodge Dakota?

When dealing with a gas smell in your 1999 Dodge Dakota, it's essential to approach the diagnosis methodically, starting with the simplest potential issues before moving on to more complex ones. Begin by inspecting the gas cap, as a loose or damaged cap is an easy fix that can often be overlooked. Next, examine the fuel lines for any visible cracks or leaks, as these can lead to significant fuel odors. If the fuel lines appear intact, check the fuel injectors for leaks, as a malfunctioning injector can also contribute to the smell. Additionally, inspect the fuel tank for any signs of damage or leaks, which can be more challenging to identify but are critical to address. Finally, consider the evaporative emissions control system, as issues here can also result in gas odors. If these initial checks do not reveal the source of the problem, using a diagnostic scanner to check for error codes or performing a pressure test on the fuel system can help identify more complex issues. By following this structured approach, you can effectively diagnose and resolve the gas smell in your vehicle.

What are the common causes of a gas smell in a 1999 Dodge Dakota?

When dealing with a gas smell in a 1999 Dodge Dakota, it's essential to understand the common problems that could be at play. One of the primary culprits is a leak in the fuel system, which can occur in various components such as fuel lines, the fuel filler cap, or the fuel filler tube. If you notice a strong gasoline odor while the engine is running, this could indicate a significant leak that requires immediate attention. Additionally, unburned fuel exiting the tailpipe may suggest issues like a rough idle or stalling, which can further complicate the vehicle's performance. Mechanical failures, such as exhaust manifold issues or coolant leaks, can also contribute to the gas smell, making it crucial to inspect these areas thoroughly. After refueling, if the odor persists inside the cabin, checking the evaporative emissions system for leaks is advisable. Addressing these potential problems promptly not only enhances the safety of your vehicle but also ensures its optimal functioning.

How urgent is it to address the gas smell in my 1999 Dodge Dakota?

Addressing a gas smell in your 1999 Dodge Dakota is not just a matter of convenience; it is a critical safety issue that demands immediate attention. The presence of gasoline fumes can indicate a leak, which poses a significant fire hazard that could endanger you and others nearby. Moreover, inhaling these fumes can lead to serious health problems, including dizziness and nausea, making it essential to act quickly. Ignoring this issue can also result in further damage to your vehicle's engine or fuel system, leading to costly repairs that could have been avoided with timely intervention. For DIY enthusiasts, it is advisable to start by inspecting the fuel lines, connections, and the fuel tank for any visible signs of leaks. Utilizing a fuel leak detection kit can also help identify less obvious issues. By taking these steps promptly, you not only ensure your safety but also protect your vehicle from potential long-term damage.

You’ve got options with RepairPal

Whether you need a more accurate auto repair estimate or help finding a reputable shop in your area, we’ve got you covered.

1999 Dodge Dakota Gas Smell: Causes & Solutions | RepairPal