2015 Ford Fusion Won't Start

Resolve Starting Issues for Your 2015 Ford Fusion

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Reviewed by
Devin Cabugcal
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 2015 Ford Fusion 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 2015 Ford Fusion won't start?

When your 2015 Ford Fusion refuses to start, the first step is to check the battery, as a weak or dead battery is often the simplest and most common culprit. Ensure that the battery terminals are clean and securely connected. If the battery appears fine, the next step is to inspect the alternator, which is essential for charging the battery while the engine runs; a malfunctioning alternator can lead to insufficient power for starting. Following this, examine the starter motor, as a faulty starter can prevent the engine from cranking. It’s also crucial to verify that there is enough fuel in the tank, as running out of gas is a frequent oversight. Additionally, check for spark by inspecting the spark plugs and ignition system, since a lack of spark can hinder engine ignition. Don’t forget to inspect the air intake system for blockages that could restrict airflow, and finally, ensure that fuel is being delivered properly to the engine, as issues with the fuel pump or lines can also cause starting problems. By systematically addressing these areas, you can effectively diagnose and potentially resolve the starting issue with your Ford Fusion.

What are the common problems that could cause a 2015 Ford Fusion to not start?

When a 2015 Ford Fusion fails to start, it can be frustrating, but understanding the common problems can help you diagnose the issue. One of the first things to check is the battery; a dead or faulty battery is often the primary culprit behind starting failures. If the battery seems fine, the next step is to inspect the alternator, as it plays a crucial role in charging the battery while the engine runs. A malfunctioning starter can also prevent the engine from turning over, so testing this component is essential. Additionally, examine the wiring related to the transmission speed sensor and ignition coil, as damaged connections can disrupt the starting process. Lastly, consider the Fuel Pump Driver Module (FPDM) and ensure it is functioning correctly, as a faulty FPDM can lead to starting issues as well. By systematically checking these components, you can effectively troubleshoot and resolve the starting problems with your Ford Fusion.

How urgent is it to diagnose and fix the starting issue in a 2015 Ford Fusion that won't start?

When faced with a starting issue in a 2015 Ford Fusion, the urgency to diagnose and fix the problem cannot be overstated. A malfunctioning vehicle can lead to being stranded, which not only causes inconvenience but also poses safety risks, especially if the issue is related to critical systems like the ignition or fuel supply. Moreover, delaying repairs can exacerbate the problem, potentially leading to more extensive damage and higher repair costs down the line. For instance, a failing starter motor can strain other components, resulting in a cascade of issues that could have been avoided with prompt attention. Therefore, it is essential to address any starting problems immediately to ensure the vehicle's reliability, maintain safety for all passengers, and keep repair expenses manageable. Taking swift action not only protects your investment but also provides peace of mind while driving.

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