2022 Mazda MX-5 Miata Has A Check Engine Light

Troubleshooting the Check Engine Light in Your 2022 Mazda MX-5 Miata: Common Causes and Solutions

Find Repair Location
Reviewed by
Andrew Hajjar
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 2022 Mazda MX-5 Miata 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 2022 Mazda MX-5 Miata 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.

A faulty oxygen sensor is one of the most common causes of a check engine light. Symptoms may include a decrease in fuel mileage, hesitation or misfiring from the engine, rough idling or even stalling. A faulty sensor may cause the vehicle to fail an emissions test.

Any time there is an emissions fault the check engine light will be displayed. The purpose of the check engine light is to inform the driver that an emission related fault has been found, and that there are on-board diagnostic (OBD) trouble codes stored in the powertrain or engine control module. Additionally, since the emissions systems are so intertwined into engine control and transmission control systems, symptoms may include nearly any sort of drivability concerns. This may include harsh shifting, failure to shift, hesitation on acceleration, jerking, engine failure to start or run, loss of power, or any number of other drivability issues.

Due to the nature of electrical systems on modern vehicles, the range of problems these can cause are nearly limitless. However, there is a way to categorize them in two ways. Permanent and intermittent problems. Permanent problems appear and remain. This may be the vehicle will not start, the radio does not work, or the door chime will not turn off among many, many others. These problems are more straight-forward to diagnose since they present themselves at all time. This means there will always be a fault to find. Intermittent electrical problems, however, can be difficult or impossible to locate, since they appear then disappear without warning. The best case scenario for an intermittent issue is when replicating the problem is easily accomplished and understood. This allows a technician to make an issue semi-permanent, allowing them to find the fault. Other issues that come and go without warning and cannot be replicated on demand must occur when the technician is servicing the vehicle, otherwise there is no problem to correct. It is most important to understand that electrical system faults always require inspection, and can include the vehicle working in any manner, or not working at all.

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 2022 Mazda MX-5 Miata?

To effectively diagnose the check engine light on your 2022 Mazda MX-5 Miata, start with a thorough visual inspection of the vehicle. Begin by checking the gas cap; ensure it is securely tightened and free from damage, as a loose or faulty gas cap is a common trigger for the check engine light. If the gas cap is in good condition, the next step involves utilizing an OBD-II scanner. This tool connects to your vehicle's diagnostic port and retrieves specific error codes that indicate the underlying issue. Once you have the error code, consult your vehicle's manual or reliable online resources to interpret its meaning, which will help you identify the problem area. Assess the severity of the issue based on the retrieved code; some may suggest minor fixes, while others could indicate more serious concerns that require professional attention. If the problem appears manageable, you can attempt to resolve it yourself, but for more complex issues, seeking assistance from a qualified mechanic is advisable. By following this structured approach, you can efficiently diagnose the check engine light and take appropriate action.

What are the common problems that could cause the check engine light to illuminate in a 2022 Mazda MX-5 Miata?

When the check engine light comes on in your 2022 Mazda MX-5 Miata, it can be a source of concern, but understanding the common problems that may cause this warning can empower you to take action. 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 securely fastened. If the gas cap is not the culprit, consider inspecting the oxygen sensor, as a faulty sensor can lead to poor fuel efficiency and may require replacement. Additionally, problems with the catalytic converter can also illuminate the check engine light, often indicating a more serious issue that may need professional attention. Spark plugs are another common area to investigate; worn or faulty plugs can affect engine performance and should be checked regularly. The mass airflow sensor is crucial for maintaining the correct air-fuel mixture, and if it malfunctions, it can disrupt engine operation. Lastly, ignition coil issues can lead to engine misfires, which will also trigger the check engine light. By being aware of these potential problems, you can take the first steps in diagnosing the issue, but remember that if the light persists, consulting a qualified mechanic is always a wise choice to prevent further damage to your vehicle.

How urgent is it to address the check engine light in a 2022 Mazda MX-5 Miata?

When the check engine light illuminates in your 2022 Mazda MX-5 Miata, it is essential to understand the urgency of the situation. This warning light is not just a minor inconvenience; it signals potential issues within the engine or emissions system that could escalate if left unaddressed. Ignoring this alert can lead to more severe problems, ranging from minor sensor malfunctions to significant engine damage, which can be costly to repair. For DIY enthusiasts, the first step is to use an OBD-II scanner to retrieve diagnostic trouble codes, which can provide insight into the specific issue at hand. This proactive approach allows you to assess whether the problem is something manageable at home or if it requires professional intervention. By addressing the check engine light promptly, you not only safeguard your vehicle's performance but also enhance your understanding of its mechanics, ultimately ensuring a safer and more reliable driving experience.

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.

2022 Mazda MX-5 Miata Check Engine Light Guide | RepairPal