2020 Land Rover Discovery Sport Won't Start

Resolve Starting Issues for Your 2020 Land Rover Discovery Sport

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Reviewed by
Andrew Hajjar
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 Land Rover Discovery Sport 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 steps should I take to diagnose the starting issue in my 2020 Land Rover Discovery Sport?

When diagnosing the starting issue in your 2020 Land Rover Discovery Sport, it's essential to adopt a systematic diagnostic approach that prioritizes simpler checks before delving into more complex components. Begin by checking the battery, as a weak or dead battery is often the most common culprit behind starting problems. If the battery is in good condition, proceed to inspect the starter motor, which is crucial for turning the engine over. Next, examine the ignition switch, as a malfunction here can disrupt the electrical system's engagement. After these initial checks, test the fuel system to ensure proper fuel delivery, as any issues here can prevent the engine from starting. Additionally, inspect the spark plugs for wear or dirt, as faulty spark plugs can hinder ignition. Finally, utilize a diagnostic tool to scan for error codes in the vehicle's computer system, which can provide insights into underlying issues. By following this structured approach, you can effectively identify and address the root cause of the starting problem in your vehicle.

What are the common problems that could cause a 2020 Land Rover Discovery Sport to not start?

When troubleshooting starting issues with a 2020 Land Rover Discovery Sport, it's essential to consider several common problems that could be at play. A weak or dead battery is often the first suspect, as it can stem from age, a faulty battery, or issues within the charging system. If the battery is in good condition, the next component to check is the starter motor, which is crucial for turning the engine over. Additionally, the fuel system plays a vital role; a clogged fuel filter or a malfunctioning fuel pump can hinder fuel delivery, preventing the engine from starting. It's also important to examine the ignition switch, as a defect here can stop the vehicle from starting altogether. Worn or faulty spark plugs can lead to ignition issues, making it difficult for the engine to fire up. Lastly, problems within the ignition system, such as a failing ignition coil or distributor, can also contribute to starting difficulties. By systematically diagnosing these areas, you can effectively identify and resolve the starting issues with your Discovery Sport.

How urgent is it to address the starting issue in a 2020 Land Rover Discovery Sport?

When dealing with starting issues in a 2020 Land Rover Discovery Sport, it is essential to recognize the urgency of the situation. A failure to start can leave you stranded, making immediate attention necessary to avoid further complications. Additionally, starting problems may signal deeper electrical issues or malfunctioning components that could compromise the safety of the vehicle and its occupants. Ignoring these symptoms not only risks your safety but can also lead to more severe damage, resulting in costly repairs down the line. Therefore, if you encounter any starting difficulties, it is advisable to conduct a thorough diagnostic assessment or consult a qualified mechanic to identify the root cause. Addressing these issues promptly ensures the reliability of your vehicle and helps maintain its overall performance.

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2020 Land Rover Discovery Sport Won't Start? | RepairPal