2017 Land Rover Range Rover Smells Like Gas

Addressing Gas Smells in Your 2017 Land Rover Range Rover

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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 2017 Land Rover Range Rover 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 2017 Land Rover Range Rover 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.

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 potential causes and diagnostic steps for a gas smell in a 2017 Land Rover Range Rover?

When you detect a gas smell in your 2017 Land Rover Range Rover, it's crucial to approach the diagnosis methodically to ensure safety and effective resolution. Start by inspecting the vehicle for any visible fuel leaks, particularly under the car and around the fuel tank, as this is often the most straightforward issue to identify. Next, examine the fuel lines and connections for signs of wear or damage that could lead to leaks. If everything appears intact, turn your attention to the fuel injectors; testing them for proper function can reveal if they are leaking or malfunctioning. Additionally, check the evaporative emissions system, as issues here can also contribute to gas odors. Don’t overlook the exhaust system; a leak can produce a gas-like smell, so inspect it thoroughly for any signs of damage. Furthermore, ensure that the air filter is clean and not clogged, as this can disrupt the air-fuel mixture and lead to a gas smell. Lastly, inspect the catalytic converter for any problems that might be causing the odor. By following these diagnostic steps, you can effectively identify the source of the gas smell and take appropriate action to resolve the issue. If you find yourself uncertain at any point, consulting a qualified mechanic is always a wise choice to ensure your safety and the proper functioning of your vehicle.

What could be causing a gas smell in my 2017 Land Rover Range Rover?

If you're experiencing a gas smell in your 2017 Land Rover Range Rover, it's essential to identify the underlying issues that could be causing this potentially hazardous situation. One of the most common problems is a fuel leak, which can originate from various components such as the fuel tank, fuel lines, or fuel injectors. This not only poses a serious safety risk but also necessitates immediate attention to prevent further complications. Another possibility is a faulty fuel injector, which may leak fuel into the engine compartment if it fails to operate correctly. Additionally, the evaporative emissions system, responsible for controlling fuel vapor release, can malfunction and lead to a noticeable gas odor. It's also important to consider the exhaust system; a leak in this area, possibly due to a damaged exhaust pipe or catalytic converter, can allow exhaust fumes to enter the cabin. Lastly, overfilling the gas tank can cause fuel to spill, contributing to the unpleasant smell. Given the serious nature of these issues, it is highly recommended to consult a qualified mechanic for a comprehensive inspection to ensure your vehicle remains safe and functional.

How urgent is it to address the gas smell in my 2017 Land Rover Range Rover?

Addressing a gas smell in your 2017 Land Rover Range Rover is not just a matter of inconvenience; it is a critical safety concern that demands immediate attention. Gas leaks can lead to catastrophic outcomes, including the risk of fire, which endangers not only your life but also the lives of others nearby. Moreover, the inhalation of gas fumes poses serious health risks, with symptoms ranging from mild discomfort to severe health complications over time. Ignoring this warning sign can also result in further damage to your vehicle, leading to expensive repairs that could have been avoided with prompt action. Therefore, if you detect a gas smell, it is essential to investigate the source and address it without delay to ensure your safety and the longevity of your vehicle.

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