2020 Hyundai Kona Electric Has A Check Engine Light

Check Engine Light Issues in 2020 Hyundai Kona Electric: Causes and Solutions

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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 2020 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 2020 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 diagnostic steps to take for a check engine light on a 2020 Hyundai Kona Electric?

When faced with a check engine light on your 2020 Hyundai Kona Electric, it's essential to adopt a methodical diagnostic approach. Start by checking the gas cap; a loose or improperly sealed cap is a common culprit that can easily trigger the warning light. Next, examine your dashboard for any additional warning indicators, as these can offer further insights into the underlying issue. Pay attention to any unusual noises or odors emanating from the vehicle, as these sensory clues can help identify specific problems. If the light persists, using an OBD-II scanner is a practical next step; this tool allows you to retrieve error codes from the vehicle's computer, providing a clearer picture of the issue at hand. Finally, don’t overlook the value of your owner’s manual, which can offer tailored guidance on what the check engine light signifies and how to address it. By following these steps, you can effectively narrow down the potential causes of the check engine light and take informed action towards resolving the issue.

What are the common problems that could cause the check engine light to illuminate in a 2020 Hyundai Kona Electric?

When the check engine light comes on in your 2020 Hyundai Kona Electric, it can be concerning, but understanding the common problems that may cause this warning can empower you to take action. One frequent culprit is a loose gas cap, which can disrupt the fuel system's pressure and trigger the light. Another common issue is a faulty oxygen sensor, which plays a crucial role in monitoring exhaust emissions and fuel efficiency; if it malfunctions, it can lead to increased emissions and reduced performance. Additionally, problems with the catalytic converter, such as blockages or failures, can also illuminate the check engine light, indicating that the vehicle's emissions control system is compromised. Worn-out spark plugs are another potential issue, as they can affect engine performance and efficiency. Furthermore, a malfunctioning mass airflow sensor can disrupt the air-fuel mixture, leading to performance issues and triggering the light. Lastly, a defective ignition coil can cause misfires, resulting in the check engine light illuminating. Addressing these issues promptly is essential to maintain your vehicle's performance and prevent further damage, so if you encounter this warning, consider checking these common problems before seeking professional help.

How urgent is it to address the check engine light in a 2020 Hyundai Kona Electric?

When the check engine light illuminates in your 2020 Hyundai Kona Electric, it signals an urgent need for attention. This warning can indicate various issues, ranging from minor to severe, and ignoring it may lead to significant engine damage or costly repairs. The longer you drive with the check engine light on, the greater the risk of decreased fuel efficiency and compromised vehicle performance, which can ultimately affect your safety on the road. Additionally, unresolved engine problems can escalate, potentially resulting in more extensive and expensive repairs. Therefore, it is crucial to have your vehicle diagnosed by a qualified mechanic as soon as possible to identify the underlying issue and take appropriate action. By addressing the check engine light promptly, you not only safeguard your vehicle's performance but also ensure your safety and the longevity of your Hyundai Kona Electric.

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