2017 Kia Soul Has A Check Engine Light

Resolve Check Engine Light Issues in Your 2017 Kia Soul

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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 2017 Kia Soul 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 2017 Kia Soul 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 diagnostic steps to take for a check engine light on a 2017 Kia Soul?

When faced with a check engine light on your 2017 Kia Soul, it's essential to adopt a systematic diagnostic approach to identify the underlying issue effectively. Start by checking the gas cap, as a loose or damaged cap is a common and easily fixable cause of the warning light. Next, take a moment to inspect your dashboard gauges for any additional warning lights or unusual readings that might offer further insights into the problem. Utilizing an OBD-II scanner is a crucial step; it allows you to retrieve error codes from the vehicle's computer, providing specific information about the malfunction. Additionally, a visual inspection under the hood can reveal any obvious signs of damage, such as frayed wires or loose hoses, which could be contributing to the issue. Finally, consulting your owner's manual can provide valuable context regarding the check engine light and any manufacturer-recommended troubleshooting steps. By following this structured approach, you can efficiently narrow down the potential causes of the check engine light and take informed steps toward resolving the issue.

What are the common problems that could cause the check engine light to illuminate in a 2017 Kia Soul?

When the check engine light comes on in your 2017 Kia Soul, it can be a source of concern, 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 is an easy fix that can often be overlooked. Another common issue is a faulty oxygen sensor, which plays a crucial role in regulating the vehicle's emissions and fuel efficiency. If the catalytic converter is malfunctioning, it can lead to significant performance issues, making it essential to address promptly. Additionally, worn-out spark plugs or ignition coils can cause engine misfires, triggering the check engine light as well. Problems with the mass airflow sensor can also disrupt the engine's air-fuel mixture, leading to performance issues. By being aware of these potential problems, you can take the first steps toward diagnosing the issue yourself or knowing when to seek professional help, ultimately ensuring your Kia Soul runs smoothly and efficiently.

How urgent is it to address the check engine light on a 2017 Kia Soul?

When the check engine light illuminates on your 2017 Kia Soul, it serves as a critical alert that should not be ignored. This warning can indicate a range of issues, from minor sensor malfunctions to more serious engine problems that could compromise your vehicle's performance and safety. Ignoring the light may lead to decreased fuel efficiency and increased emissions, which not only affects your wallet but also the environment. Moreover, what starts as a small issue can escalate into a major repair, resulting in significant costs and potential breakdowns. For DIY enthusiasts, addressing the check engine light promptly is essential; it allows you to diagnose and resolve issues before they worsen, ensuring your vehicle remains reliable and safe on the road. Taking immediate action not only protects your investment but also enhances your understanding of your vehicle's systems, making you a more informed and capable car owner.

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