2024 Subaru BRZ Has A Check Engine Light

Troubleshooting the Check Engine Light in Your 2024 Subaru BRZ: Common Causes and Solutions

Find Repair Location
Reviewed by
Aisha
Written by RepairPal Car Genius
Updated January 14, 2025
0%
40% chance it's the
Emissions System
0%
60% chance it's
Something else
The most common reasons a 2024 Subaru BRZ has a check engine light are an emissions system component, a sensor, or a catalytic converter.
  • Emissions System: A faulty emissions system component, such as an oxygen sensor or EGR valve, can lead to increased emissions and trigger the check engine light.
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 2024 Subaru BRZ has a check engine light?

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.

Like we noted in the last section, general diagnosis symptoms are the most vague of the bunch. There are several diagnostic spectrums, electrical diagnosis, drivability diagnostics, engine diagnostics, transmission diagnostics, and the list could continue for about 5 or 10 more spectrums of diagnostics. The most important take-away here, is that general diagnostics are diagnostics that have no other spectrum in which they fit, or the problem is unknown. This means that any vehicle left outside of a repair facility with the keys and an authorization to perform diagnosis will be diagnosed under the general diagnosis spectrum.

When the Check Engine Light comes on, you may experience engine performance issues such as poor acceleration, rough idling, or an engine that won't start. In some cases, no abnormal symptoms will be experienced. Other systems like the transmission or ABS can cause the Check Engine Light to illuminate and lights for those systems can come on at the same time. Similar lights may say "Check Engine Soon", "Malfunction Indicator Light" or just "Check". In rare case the engine can overheat.

What are the initial steps to diagnose the check engine light on a 2024 Subaru BRZ?

When faced with a check engine light on your 2024 Subaru BRZ, the first step is to visually inspect for any obvious issues, such as ensuring the gas cap is securely fastened and in good condition, as a loose or damaged cap can often trigger the light. Next, employing an OBD-II diagnostic tool is crucial; this device will help you retrieve the specific error code associated with the light, providing insight into the underlying problem. It's also beneficial to consult your owner's manual, which can guide you in interpreting the error code and suggest appropriate actions. If you notice any changes in your vehicle's performance or hear unusual sounds, it's important to address these concerns immediately to avoid further damage. However, if the cause remains unclear or if the issue seems complex, seeking assistance from a qualified mechanic or Subaru dealership is advisable to ensure proper diagnosis and repair. By following these steps, you can effectively begin diagnosing the check engine light issue on your Subaru BRZ, potentially saving time and money in the process.

What are the common problems that could cause the check engine light to illuminate in a 2024 Subaru BRZ?

When the check engine light comes on in your 2024 Subaru BRZ, it can be a source of concern, but understanding the common problems can help you troubleshoot effectively. One of the simplest issues to check is the gas cap; a loose or damaged cap can easily trigger the light, so ensure it is tightened properly. If that’s not the issue, consider inspecting the oxygen sensor, as a faulty one can lead to poor fuel efficiency and emissions problems. Additionally, the catalytic converter may be at fault if you notice performance issues, as it can fail or become inefficient over time. Spark plugs are another critical component; worn or faulty plugs can cause misfires and affect engine performance, leading to the check engine light illuminating. The mass airflow sensor is also worth checking, as it regulates the air-fuel mixture, and any malfunction here can disrupt engine operation. Lastly, ignition coil issues can lead to misfiring, which is another common reason for the light to activate. By addressing these potential problems early, you can prevent further damage and maintain your vehicle's performance. If you’re unable to resolve the issue, consulting a qualified mechanic is advisable for a thorough diagnosis.

How urgent is it to address the check engine light in a 2024 Subaru BRZ?

Addressing the check engine light in your 2024 Subaru BRZ should be a top priority, as neglecting this warning can lead to serious consequences. The check engine light is not just a minor inconvenience; it signals potential issues with your engine or emissions system that could escalate into costly repairs if left unchecked. For DIY enthusiasts, it’s crucial to understand that while some problems may seem minor, they can quickly develop into significant safety risks or mechanical failures. Modern vehicles, including the BRZ, are equipped with advanced diagnostic systems that can help you identify the root cause of the warning. By taking the time to investigate the issue promptly, you not only safeguard your vehicle's performance but also enhance your understanding of its mechanics. Ignoring the check engine light can result in decreased fuel efficiency, increased emissions, and even engine damage, making it essential to act swiftly. Whether you choose to consult a professional or tackle the issue yourself, addressing the check engine light promptly is key to maintaining the longevity and reliability of your Subaru BRZ.

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.