2021 Kia Soul EV Engine Is Stalling

Common Causes of Engine Stalling in Your 2021 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%
30% chance it's the
Fuel System
0%
15% chance it's the
Air Intake System
0%
55% chance it's
Something else
The most common reasons a 2021 Kia Soul EV engine is stalling are the fuel system, the air intake system, or the ignition system.
  • Fuel System: A clogged fuel filter or failing fuel pump can restrict fuel flow, resulting in poor engine performance and starting issues.
  • Air Intake System: A dirty or damaged air filter or a malfunctioning mass airflow sensor can restrict airflow, leading to reduced engine performance and efficiency.
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 2021 Kia Soul EV engine is stalling?

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.

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 initial diagnostic steps should be taken to address the stalling issue in a 2021 Kia Soul EV?

When troubleshooting a stalling issue in your 2021 Kia Soul EV, it's essential to adopt a methodical diagnostic approach. Start by checking the battery charge level; a low charge can often be the simplest explanation for stalling. Next, inspect the charging system to confirm that it is functioning correctly and that all connections are secure. Utilizing an OBD-II scanner to check for error codes can provide valuable insights into any underlying issues that may not be immediately visible. Additionally, examine the vehicle's wiring for any loose or damaged connections that could disrupt performance. Pay special attention to the throttle body and its sensors, as dirt or debris can impede their function and lead to stalling. Finally, ensure that your vehicle's software and firmware are up to date, as outdated systems can contribute to performance problems. By following these steps, you can effectively diagnose and address the stalling issue, empowering you to take control of your vehicle's maintenance.

What are the common problems that could cause a 2021 Kia Soul EV engine to stall?

When troubleshooting a 2021 Kia Soul EV that is experiencing engine stalling, it's essential to consider several common problems that could be at play. One of the primary concerns is the battery, as a low charge or faulty connections can prevent the electric motor from receiving the necessary power to operate effectively. Additionally, issues within the charging system, such as a malfunctioning charging port or onboard charger, can lead to inadequate power supply, further contributing to stalling. Software glitches within the vehicle's electronic control unit (ECU) may also disrupt engine performance, while faulty sensors related to throttle position, speed, or temperature can send incorrect data to the engine control system, resulting in stalling incidents. Lastly, defective components like the electric motor, inverters, or wiring harnesses can significantly impact the vehicle's overall performance. By systematically diagnosing these potential issues, DIY enthusiasts can effectively address and resolve stalling problems in their Kia Soul EV.

How urgent is it to address the stalling engine issue in a 2021 Kia Soul EV?

When it comes to the stalling engine issue in a 2021 Kia Soul EV, urgency cannot be overstated. Ignoring this problem can lead to serious safety hazards, as unexpected stalls may occur while driving, increasing the risk of accidents. Additionally, a stalling engine can indicate underlying issues that, if left unaddressed, may result in more extensive damage to the vehicle's engine and other critical components. This not only compromises the vehicle's performance but can also lead to significantly higher repair costs down the line. Regular maintenance is key to ensuring the longevity and reliability of your Kia Soul EV, and promptly addressing any stalling issues is a crucial part of that maintenance routine. By taking action quickly, you can safeguard your safety on the road, prevent further damage, and maintain the overall performance of your vehicle.

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