2016 Kia Soul EV Has A Check Engine Light

Common Causes of the Check Engine Light in Your 2016 Kia Soul EV and How to Resolve Them

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Reviewed by
Bo Fader
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 2016 Kia Soul EV 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 2016 Kia Soul EV 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 2016 Kia Soul EV?

When faced with a check engine light on your 2016 Kia Soul EV, the first step is to check the gas cap, as a loose or damaged cap can easily trigger the warning light. If the cap is secure, the next step is to inspect the catalytic converter for any signs of failure, as this component is crucial for emissions control and can also cause the light to illuminate. Understanding that the check engine light is part of the vehicle's onboard diagnostic system is essential; it indicates that a problem has been detected and a diagnostic trouble code (DTC) has been stored. To gain insight into the specific issue, use an OBD-II scanner to retrieve the DTCs, which will guide you in diagnosing the problem more accurately. Regular maintenance is also key in preventing issues that could trigger the light, so ensure you are following the recommended service schedule. Common causes for the check engine light in Kia vehicles include faulty spark plugs, oxygen sensors, or mass airflow sensors, so be prepared to investigate these components if the simpler fixes do not resolve the issue. By systematically addressing these areas, you can effectively diagnose and potentially resolve the check engine light concern on your Kia Soul EV.

What common issues trigger the check engine light in a 2016 Kia Soul EV?

When the check engine light illuminates in your 2016 Kia Soul EV, it can be a source of concern, but understanding the common issues can help you troubleshoot effectively. One frequent culprit is a faulty oxygen sensor, which plays a crucial role in monitoring the air-fuel mixture and can lead to performance issues if malfunctioning. Another simple yet often overlooked reason could be a loose gas cap; ensuring it is securely fastened can sometimes resolve the warning light. Additionally, problems with the catalytic converter can trigger the check engine light, as it is essential for reducing emissions and maintaining engine efficiency. A failing ignition coil may also be responsible, affecting the vehicle's ability to start or run smoothly. Lastly, issues within the electrical or fuel injection systems can lead to the check engine light activation, indicating a need for further inspection. By being aware of these common problems, you can take proactive steps to diagnose and potentially resolve the issue before it escalates into more significant repairs.

How urgent is it to address the check engine light in a 2016 Kia Soul EV?

When the check engine light illuminates in your 2016 Kia Soul EV, it serves as a critical alert that should not be ignored. The urgency of addressing this warning cannot be overstated, as it may indicate a range of issues from minor sensor malfunctions to serious engine problems that could compromise your vehicle's safety and performance. Delaying diagnosis and repair can lead to more extensive damage, resulting in costly repairs and potentially leaving you stranded. For DIY enthusiasts, it’s essential to recognize that while some issues may seem trivial, they can escalate quickly if not addressed. Therefore, taking the time to investigate the cause of the check engine light—whether through an OBD-II scanner or consulting a professional—can save you time, money, and ensure the longevity of your Kia Soul EV. Prioritizing this warning is not just about maintaining your vehicle; it’s about ensuring your safety on the road.

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