2020 Land Rover Discovery Won't Start

Resolve Starting Issues for Your 2020 Land Rover Discovery

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Reviewed by
Aisha
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 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?

When diagnosing a starting issue in your 2020 Land Rover Discovery, it's essential to adopt a systematic approach that begins with the simplest checks before moving on to more complex diagnostics. Start by examining the battery, ensuring it is fully charged and that the terminals are clean and securely connected, as a weak battery is a common culprit for starting problems. Next, inspect the starter motor to confirm it is functioning correctly, followed by a check of the ignition switch for any signs of wear or damage. Fuel delivery is crucial, so verify that there is an adequate supply reaching the engine, and assess the condition of the spark plugs to ensure they are firing properly. Utilizing a diagnostic tool to scan for error codes can provide valuable insights into potential issues, while testing the fuel pump and inspecting the fuel filter can help rule out fuel-related problems. Finally, ensure that the engine control module (ECM) is operating correctly, as it plays a vital role in the starting process. By following this structured diagnostic approach, you can effectively identify and address the root cause of the starting issue in your vehicle.

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

When your 2020 Land Rover Discovery refuses to start, it can be frustrating, but understanding the common problems can help you troubleshoot effectively. One of the first areas to check is the battery, as a weak or dead battery is often the culprit behind starting issues. If the battery seems fine, consider the fuel system; a clogged fuel filter or a malfunctioning fuel pump can prevent the engine from receiving the necessary fuel. Next, inspect the ignition system, where faulty spark plugs or ignition coils may hinder the starting process. Additionally, the starter motor plays a crucial role in cranking the engine, so ensure it is functioning properly. Don't overlook the alternator, as a failure to charge the battery can lead to starting problems as well. Furthermore, malfunctioning sensors, such as the crankshaft or camshaft position sensors, can disrupt the engine's ability to start by sending incorrect data to the engine control unit. Lastly, issues with the vehicle's security system, including a faulty immobilizer or key fob, can also prevent the engine from starting. By systematically checking these components, you can identify and resolve the issues affecting your Land Rover Discovery's starting capabilities.

How urgent is it to address the starting issue in a 2020 Land Rover Discovery that won't start?

When your 2020 Land Rover Discovery won't start, the urgency to address the issue cannot be overstated. Ignoring the problem may lead to further damage to critical components, which can escalate repair costs significantly. Additionally, a vehicle that fails to start unexpectedly can create safety hazards, particularly if it occurs while driving or in a precarious situation. This not only endangers the driver and passengers but can also pose risks to other road users. Moreover, a non-starting vehicle disrupts daily life, causing inconvenience and frustration. By prioritizing the resolution of starting issues, you not only safeguard your vehicle's integrity but also ensure the safety and convenience of your driving experience. Taking prompt action is essential to mitigate these risks and maintain the reliability of your Land Rover Discovery.

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