2018 Dodge Durango Won't Start

Common Causes for Your 2018 Dodge Durango Not Starting and How to Resolve Them

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Reviewed by
Bo Fader
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 2018 Dodge Durango 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 for a 2018 Dodge Durango that won't start?

When your 2018 Dodge Durango refuses to start, the first step is to check the battery, as a weak or dead battery is often the most common culprit. Ensure the battery terminals are clean and securely connected, and consider jump-starting the vehicle if necessary. If the battery is functioning properly, the next step is to inspect the starter motor. Listen for any clicking sounds when turning the key, which may indicate a malfunctioning starter. Following this, examine the fuel system; confirm that there is sufficient fuel in the tank and check for any blockages in the fuel filter or issues with the fuel pump that could hinder fuel delivery. Next, verify the ignition system by inspecting components like spark plugs and ignition coils, as faulty parts here can prevent the engine from firing. Utilizing a diagnostic scanner can also be beneficial; it allows you to read any error codes from the vehicle's computer, providing insights into potential issues. Lastly, consider the security system, as an immobilizer may inadvertently prevent the engine from starting if it detects a security breach. By systematically following these steps, you can effectively diagnose and address the starting issues with your Dodge Durango.

What are the common problems that could cause a 2018 Dodge Durango to not start?

When your 2018 Dodge Durango refuses to start, it can be frustrating, but understanding the common problems can help you troubleshoot effectively. 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 exposed to extreme weather. If the battery seems fine, the next step is to inspect the starter motor, as a malfunction here can prevent the engine from turning over. Additionally, consider the fuel system; issues like a clogged fuel filter or a failing fuel pump can hinder fuel delivery, making it impossible for the engine to start. Don't overlook the ignition switch, as a faulty switch can disrupt the electrical flow necessary for starting. If the alternator is not functioning properly, it may not charge the battery effectively, leading to starting difficulties. Worn or damaged spark plugs can also be a significant factor, as they are essential for igniting the fuel-air mixture. Lastly, check for any security system malfunctions or sensor issues, as these can also prevent your Durango from starting. By systematically addressing these potential problems, you can identify the cause of your starting issues and take the necessary steps to resolve them.

How urgent is it to address the starting issue in a 2018 Dodge Durango?

When facing starting issues in a 2018 Dodge Durango, understanding the urgency of the situation is crucial for both safety and vehicle longevity. If the vehicle exhibits symptoms such as difficulty starting or stalling, it is imperative to act swiftly, as these problems can pose significant safety risks to both the driver and passengers. Additionally, neglecting these issues can lead to more severe damage over time, resulting in costly repairs that could have been avoided with timely intervention. The inconvenience of unexpected breakdowns can disrupt daily life, making it essential to prioritize repairs to maintain the vehicle's reliability. If the cause of the starting issue is unclear, seeking a diagnostic assessment from a qualified mechanic can help identify the root problem and determine the urgency of the necessary repairs. By addressing these starting issues promptly, you not only ensure your safety but also protect your investment in the vehicle.

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2018 Dodge Durango Won't Start? Common Issues & Repairs