2020 Lincoln Aviator Won't Start

Common Causes for Your 2020 Lincoln Aviator Not Starting and How to Resolve Them

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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 Lincoln Aviator 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 Lincoln Aviator won't start?

When your 2020 Lincoln Aviator 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 weak battery is often the culprit behind starting issues. Ensure that the battery terminals are clean and securely connected. Next, verify that there is sufficient fuel in the tank; sometimes, a simple oversight can lead to a no-start condition. If both the battery and fuel levels are adequate, turn your attention to the ignition switch, as a malfunction here can prevent the engine from cranking. Following this, inspect the starter motor for any signs of failure, as a faulty starter can also hinder the starting process. To further diagnose the issue, consider using an OBD-II scanner to check for any error codes that might indicate specific problems within the vehicle's systems. Lastly, don't forget to examine the fuses related to the starting system, as blown fuses can disrupt the electrical flow necessary for starting the engine. By systematically working through these steps, you can effectively troubleshoot and potentially resolve the starting issue with your Lincoln Aviator.

What are the common problems that could cause a 2020 Lincoln Aviator to not start?

When troubleshooting a 2020 Lincoln Aviator that won't start, it's essential to consider several common problems that could be at play. A dead battery is often the first suspect, as it can result from age, leaving lights on, or issues with the charging system. If the battery is functioning, the next area to investigate is the starter motor; a faulty starter can prevent the engine from cranking. Additionally, fuel system issues, such as a clogged fuel filter or a malfunctioning fuel pump, can hinder the engine's ability to receive the necessary fuel for ignition. It's also important to check the ignition switch, as a malfunction here can disrupt the electrical system's engagement. If the alternator is not charging the battery effectively, it may lead to a drained battery, complicating the starting process. Lastly, worn or faulty spark plugs can cause ignition problems, making it difficult for the engine to start. By systematically examining these potential issues, you can identify the root cause of the starting problem and take appropriate action to resolve it.

How urgent is it to address the starting issue in a 2020 Lincoln Aviator that won't start?

When your 2020 Lincoln Aviator won't start, the urgency to address the issue cannot be overstated. Delaying repairs can lead to further damage to critical components, such as the battery, starter, or ignition system, which may escalate repair costs significantly. Moreover, a vehicle that fails to start unexpectedly can create safety hazards, particularly if it occurs in a precarious situation, such as on a busy road or during inclement weather. This not only endangers the driver and passengers but also other road users. Additionally, a non-starting vehicle can disrupt your daily life, causing missed appointments and unnecessary stress. Therefore, it is crucial to diagnose and resolve starting issues promptly to safeguard your vehicle's integrity, ensure the safety of everyone involved, and maintain your daily convenience.

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2020 Lincoln Aviator Won't Start: Common Issues & Solutions