2018 Ford Explorer Won't Start

Common Causes for Your 2018 Ford Explorer 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 Ford Explorer 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 2018 Ford Explorer won't start?

When your 2018 Ford Explorer won't start, it's essential to adopt a systematic diagnostic approach to identify the root cause effectively. Begin by checking the battery, as a dead or low battery is a common issue; you can jump-start the vehicle or use a multimeter to assess its voltage. Next, inspect the starter motor for functionality; listen for any clicking sounds when you attempt to start the engine, which may indicate a problem. It's also crucial to examine the fuel system—ensure there's enough fuel in the tank and listen for the fuel pump's priming sound when you turn the ignition key. Utilizing an OBD-II scanner can help you scan for error codes that may point to specific issues within the vehicle. Additionally, inspect the ignition system components, including spark plugs and ignition coils, for any signs of wear or damage. Lastly, check the security system to ensure it isn't inadvertently preventing the vehicle from starting, as indicated by a flashing security light or issues with the key fob. By following these steps in order, you can effectively narrow down the potential causes and take the necessary actions to get your Explorer back on the road.

What are the common problems that could cause a 2018 Ford Explorer to not start?

When your 2018 Ford Explorer refuses to start, it can be frustrating, but understanding the common problems can help you diagnose the issue 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 conditions. If the battery seems fine, the next step is to inspect the starter motor, as a faulty starter can prevent the engine from turning over. Additionally, issues within the fuel system, such as 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 malfunction here can disrupt the electrical system's engagement. If the alternator is not functioning properly, it may not charge the battery effectively, leading to starting difficulties. Worn-out spark plugs can also cause ignition issues, so checking their condition is essential. Lastly, consider the vehicle's security system; a malfunctioning immobilizer can prevent the engine from starting altogether. By systematically checking these components, you can pinpoint the issue and take the necessary steps to get your Explorer back on the road.

How urgent is it to diagnose the starting issue in a 2018 Ford Explorer that won't start?

When your 2018 Ford Explorer won't start, the urgency to diagnose the issue cannot be overstated. Ignoring the symptoms can lead to further complications, such as battery drain or damage to the ignition system, which may escalate repair costs significantly. Additionally, a vehicle that fails to start can create safety hazards, particularly if it occurs in a precarious location or during adverse weather conditions. Addressing the problem promptly not only ensures your safety but also enhances convenience, allowing you to return to your daily activities without unnecessary delays. By diagnosing the issue early, you can potentially avoid more extensive repairs down the line, making it a cost-effective approach to vehicle maintenance. Therefore, if your Explorer is experiencing starting issues, it is crucial to act swiftly to mitigate risks and restore your vehicle's functionality.

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