2019 Chevrolet Cruze Smells Like Gas

Identifying the Causes of Gas Smells in Your 2019 Chevrolet Cruze and Essential Safety Measures

Find Repair Location
Reviewed by
Aisha
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 2019 Chevrolet Cruze 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 2019 Chevrolet Cruze 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 2019 Chevrolet Cruze?

When dealing with a gas smell in your 2019 Chevrolet Cruze, it's essential to approach the diagnosis methodically, starting with the most straightforward checks before moving on to more complex issues. Begin by visually inspecting the engine bay and the area beneath the vehicle for any signs of fuel leaks, as this is often the most immediate cause of a gas odor. Next, examine the fuel lines and connections for any visible damage or leaks, which can be a common culprit. Utilizing a diagnostic scanner to check for error codes related to the fuel system can provide valuable insights into underlying issues. If no obvious problems are found, test the fuel injectors to ensure they are functioning correctly, as a faulty injector can lead to improper fuel combustion and a gas smell. Additionally, inspect the evaporative emissions system for any leaks or malfunctions, as this system plays a crucial role in managing fuel vapors. Don’t overlook the exhaust system; a leak here can also produce a gas-like odor. Lastly, check the air filter and spark plugs, as a clogged air filter can disrupt the air-fuel mixture, and worn spark plugs may not burn fuel efficiently. By following this structured diagnostic approach, you can effectively identify and address the source of the gas smell in your vehicle.

What could be causing my 2019 Chevrolet Cruze to smell like gas?

If your 2019 Chevrolet Cruze is emitting a gas smell, it’s crucial to identify the underlying cause to ensure both safety and vehicle performance. One of the most common culprits is a fuel leak, which can stem from damaged fuel lines, leaking fuel injectors, or a compromised fuel tank seal. Additionally, a faulty fuel injector may allow gasoline to seep into the engine, contributing to the odor. Another area to investigate is the evaporative emissions system, which manages fuel vapor release; any malfunction here can lead to noticeable gas smells. Don’t overlook the gas cap, as a loose or damaged cap can permit fuel vapors to escape, creating an unpleasant odor inside the car. Lastly, issues with the exhaust system, such as leaks or a damaged catalytic converter, can also result in a gas-like smell. For those inclined to DIY, start by visually inspecting these components for any signs of wear or damage, but remember that if the problem persists, consulting a qualified mechanic is advisable to ensure a thorough diagnosis and resolution.

How urgent is it to address the gas smell in my 2019 Chevrolet Cruze?

Addressing a gas smell in your 2019 Chevrolet Cruze is not just a minor inconvenience; it is a critical safety concern that demands immediate action. The presence of gasoline fumes can indicate a fuel leak, which poses a significant fire hazard and increases the risk of explosion, especially in a confined space like a vehicle. Moreover, inhaling gasoline vapors can lead to serious health issues, including dizziness, headaches, and respiratory problems, making it essential to prioritize your well-being. Ignoring this warning sign can also result in further damage to your car's fuel system, leading to more extensive and costly repairs down the line. Therefore, if you detect a gas smell, it is imperative to investigate the source and address the issue without delay to ensure your safety, health, and the longevity of your vehicle.

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.