2013 Kia Forte Has A Check Engine Light

Troubleshooting the Check Engine Light in Your 2013 Kia Forte: Common 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 2013 Kia Forte 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 2013 Kia Forte 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 2013 Kia Forte?

To effectively diagnose the check engine light on your 2013 Kia Forte, start with the simplest solution: check the gas cap. A loose or missing gas cap is a common trigger for the check engine light, and securing it can often resolve the issue. If the light persists, it’s important to act quickly to avoid potential complications. Next, locate the OBD plug in your vehicle, which is essential for reading trouble codes. Using an OBD scanner, you can identify specific issues that may be causing the light to illuminate. Before resetting the light, ensure you address any underlying problems, as simply resetting it without fixing the root cause can lead to further complications. Familiarizing yourself with common issues, such as a faulty oxygen sensor or emissions control problems, will also aid in your diagnosis. By following these steps, you can take a proactive approach to understanding and resolving the check engine light issue in your Kia Forte.

What common issues trigger the check engine light in a 2013 Kia Forte?

When the check engine light illuminates in a 2013 Kia Forte, it often signals a range of potential issues that can affect the vehicle's performance and emissions. Common culprits include problems with the emissions system, such as a malfunctioning catalytic converter or faulty sensors that monitor engine performance. For instance, diagnostic trouble codes like P0300 indicate a random or multiple cylinder misfire, which can lead to reduced engine efficiency and increased emissions. Similarly, a P0401 code points to insufficient EGR (Exhaust Gas Recirculation) flow, potentially causing engine knocking or overheating. To address these issues, DIY enthusiasts should start by using an OBD-II scanner to retrieve the trouble codes, which will guide them in diagnosing the specific problem. Once the issue is identified, repairs may involve replacing faulty sensors, cleaning the EGR system, or even replacing the catalytic converter if necessary. It’s crucial to resolve these issues promptly, as neglecting the check engine light can lead to more severe damage and costly repairs down the line. By understanding these common problems and taking proactive steps, you can maintain your Kia Forte's performance and avoid potential pitfalls.

How urgent is it to address the check engine light in a 2013 Kia Forte?

When the check engine light activates in your 2013 Kia Forte, it serves as a crucial alert from the vehicle's onboard diagnostic system, indicating that something may be amiss. While not every instance of the light turning on signals an immediate crisis, it is essential to recognize that ignoring it can lead to more significant issues down the line. Common triggers for the check engine light include worn spark plugs, malfunctioning oxygen sensors, or problems with the catalytic converter, which, if left unchecked, could escalate into costly repairs or even compromise your vehicle's safety and performance. Therefore, while it may not require immediate action, it is advisable to inspect your vehicle as soon as possible to diagnose the underlying problem. This proactive approach not only helps maintain your vehicle's efficiency but also prevents potential damage to the engine or emissions control system, ensuring a safer driving experience.

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