2019 Ford Mustang Won't Start

Resolve Starting Issues with Your 2019 Ford Mustang

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Reviewed by
Andrew Hajjar
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 2019 Ford Mustang 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 2019 Ford Mustang won't start?

When your 2019 Ford Mustang refuses to start, the first step is to check the battery, as a dead or weak battery is a common culprit. If the battery appears to be the issue, consider jump-starting the vehicle or using a multimeter to assess its voltage. Next, ensure that there is sufficient fuel in the tank, as running out of gas can often be overlooked. If both the battery and fuel levels are adequate, turn your attention to the ignition switch; a malfunction here can prevent the engine from cranking. Following that, inspect the starter motor, as a faulty starter is another frequent reason for starting problems. If these components check out, using an OBD-II scanner to read any error codes can provide valuable insights into underlying issues. Lastly, don’t forget to examine the spark plugs; worn or damaged plugs can significantly hinder the starting process. By systematically addressing these areas, you can effectively diagnose and potentially resolve the starting issue with your Mustang.

What are the common problems that could cause a 2019 Ford Mustang to not start?

When troubleshooting a 2019 Ford Mustang 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; if the battery is weak or discharged, it may not provide enough power to crank the engine. This can happen due to leaving lights on or an aging battery that needs replacement. Another potential issue is a faulty starter, which may fail to engage the engine properly, preventing it from starting. Additionally, problems within the fuel system, such as a clogged fuel filter or a malfunctioning fuel pump, can hinder the engine's ability to receive the necessary fuel. It's also important to check the ignition switch, as a malfunction here can disrupt the electrical system's engagement. Worn or faulty spark plugs can lead to ignition issues, making it difficult for the engine to start. Lastly, if the car's security system, particularly the immobilizer, is malfunctioning, it may inadvertently prevent the Mustang from starting. By systematically examining these areas, you can effectively diagnose and address the starting issues with your Mustang.

How urgent is it to address the starting issue in a 2019 Ford Mustang?

When dealing with a starting issue in a 2019 Ford Mustang, understanding the urgency of the situation is crucial for any DIY enthusiast. If the vehicle fails to start, it can lead to being stranded, which not only disrupts your plans but also poses safety risks, especially if the car stalls unexpectedly while driving. Moreover, neglecting these symptoms can result in further damage to the vehicle's components, leading to more extensive and costly repairs down the line. Therefore, it is essential to assess the severity of the problem and consider a diagnostic assessment to pinpoint the root cause. By addressing starting issues promptly, you not only ensure your safety and that of your passengers but also maintain the reliability of your Mustang, making it a wise decision for any DIY repair project.

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