2020 Kia Sorento Won't Start

Common Causes for Your 2020 Kia Sorento Not Starting and How to Resolve Them

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Reviewed by
Devin Cabugcal
Written by RepairPal Car Genius
Updated January 14, 2025
0%
38% chance it's the
Battery
0%
27% chance it's the
Alternator
0%
20% chance it's the
Starter
0%
15% chance it's
Something else
The most common reasons a 2020 Kia Sorento won't start are a dead battery, an alternator problem, or failed starter.
  • Battery: A weak or failing battery can result in difficulty starting the engine and electrical system malfunctions.
  • Alternator: A failing alternator can result in insufficient electrical power, leading to battery drain and electrical system malfunctions.
  • Starter: A faulty starter motor or a weak battery can prevent the engine from cranking properly, leading to starting issues.
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.

What are the initial diagnostic steps to take when a 2020 Kia Sorento won't start?

When your 2020 Kia Sorento won't start, it's essential to approach the problem methodically to identify the root cause. Begin by checking the battery, as a dead or low battery is a common culprit; you can jump-start the vehicle or use a multimeter to measure the voltage. Next, ensure that there is enough fuel in the tank, as an empty or nearly empty tank can prevent the engine from starting. If these initial checks don’t resolve the issue, inspect the ignition switch for proper functionality, as a malfunction here can hinder the starting process. Additionally, examine the starter motor to confirm it is operational, since a faulty starter can also lead to starting difficulties. Utilizing an OBD-II scanner to check for error codes can provide valuable insights into any underlying issues. Don’t forget to inspect the fuses related to the starting system, as a blown fuse may require replacement. Lastly, verify that your key fob is functioning correctly, and consider trying a spare key to rule out any key-related problems. By following these steps, you can effectively diagnose and address the starting issues with your Kia Sorento.

What are the common problems that could cause a 2020 Kia Sorento to not start?

When your 2020 Kia Sorento refuses to start, it can be frustrating, but understanding the common problems can help you identify the issue. One of the first things to check is the battery; a dead or weak battery is often the culprit, especially if the vehicle has been sitting idle or if extreme weather conditions have affected its performance. If the battery is functioning well, the next step is to inspect the starter motor, as a faulty starter can prevent the engine from cranking. Additionally, consider the fuel system; a clogged fuel filter or a malfunctioning fuel pump can hinder fuel delivery, making it impossible for the engine to start. Don't overlook the ignition switch, as a defect here can disrupt the starting process when you turn the key. Spark plugs also play a crucial role in ignition; worn or damaged plugs can lead to starting difficulties. Lastly, ensure that the alternator is working properly, as a failing alternator can lead to a drained battery, compounding your starting issues. By systematically checking these components, you can effectively diagnose and address the starting problems with your Kia Sorento.

How urgent is it to address the starting issue in a 2020 Kia Sorento?

When dealing with starting issues in a 2020 Kia Sorento, understanding the urgency of the situation is crucial for any DIY enthusiast. If your vehicle fails to start, it’s essential to act quickly, as this could indicate a serious problem that may leave you stranded or lead to further complications. Safety should always be a priority; starting issues can stem from electrical system failures or battery problems, which could compromise the vehicle's operation. Additionally, neglecting these symptoms can result in more severe and costly repairs down the line, making it vital to address the issue as soon as possible. If you're uncertain about the severity of the problem, consider performing a diagnostic check to pinpoint the root cause. By taking prompt action, you not only ensure your safety but also maintain the reliability of your Kia Sorento, ultimately saving time and money in the long run.

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