2019 Hyundai Kona Electric Has A Check Engine Light

Common Causes for the Check Engine Light in Your 2019 Hyundai Kona Electric and How to Resolve Them

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Reviewed by
Devin Cabugcal
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 2019 Hyundai Kona Electric 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 2019 Hyundai Kona Electric 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.

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 2019 Hyundai Kona Electric?

When faced with a check engine light on your 2019 Hyundai Kona Electric, it's essential to adopt a methodical diagnostic approach. Begin by visually inspecting the gas cap, as a loose or damaged cap is a common culprit that can easily trigger the warning light. Next, take a moment to check your dashboard for any additional warning indicators or messages that might provide further context about the issue at hand. If these initial checks do not reveal the problem, the next step is to utilize a diagnostic scanner. By connecting this tool to the vehicle's OBD-II port, you can retrieve specific error codes that the vehicle's computer has logged. Once you have these codes, research them using your vehicle's manual or reputable online resources to gain insight into the potential issues. This structured approach not only helps in identifying the problem efficiently but also empowers you to make informed decisions about any necessary repairs, ensuring a smoother DIY experience.

What are the common problems that could cause the check engine light to illuminate in a 2019 Hyundai Kona Electric?

When the check engine light comes on in a 2019 Hyundai Kona Electric, it can be a source of concern for any DIY enthusiast. Understanding the common problems associated with this warning light is crucial for effective troubleshooting. One frequent culprit is a faulty oxygen sensor, which plays a vital role in monitoring the vehicle's emissions and fuel efficiency. A loose or damaged gas cap is another simple yet often overlooked issue that can disrupt the fuel system and trigger the light. Additionally, problems with the catalytic converter, such as inefficiency or failure, can also cause the check engine light to illuminate, indicating potential exhaust system issues. Worn-out spark plugs may lead to engine misfires, while a malfunctioning mass airflow sensor can disrupt the air-fuel mixture, both of which can activate the warning light. Lastly, ignition coil troubles can significantly impact engine performance, making it essential to address these issues promptly. By being aware of these common problems, DIYers can take the first steps toward diagnosing and resolving the check engine light issue in their Hyundai Kona Electric, ensuring the vehicle runs smoothly and efficiently.

How urgent is it to address the check engine light in a 2019 Hyundai Kona Electric?

When the check engine light illuminates in your 2019 Hyundai Kona Electric, it is crucial to act swiftly to prevent potential complications. This warning signal indicates that there may be an underlying issue with the engine or emissions system, which, if ignored, could escalate into more severe problems, leading to costly repairs. While some triggers for the light, such as a loose gas cap, may seem minor, they still warrant immediate attention to avoid further damage. The advanced onboard diagnostics in modern vehicles like the Kona Electric can help identify the specific issue, making it easier for DIYers to troubleshoot effectively. By addressing the check engine light promptly, you not only safeguard your vehicle's performance but also enhance its reliability, ensuring a smoother driving experience. Therefore, taking the time to investigate and resolve the cause of the warning light is essential for maintaining the health of your vehicle.

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