2017 Subaru BRZ Won't Start

Common Causes for Your 2017 Subaru BRZ 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 2017 Subaru BRZ 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 for a 2017 Subaru BRZ that won't start?

When your 2017 Subaru BRZ refuses to start, it's essential to adopt a methodical diagnostic approach to identify the root cause. Begin by checking the battery, as a weak or dead battery is a common culprit; ensure the terminals are clean and securely connected. Next, confirm that there is sufficient fuel in the tank, as low fuel levels can often lead to starting issues. Following this, inspect the ignition system, including spark plugs and ignition coils, for any signs of wear or damage that could hinder performance. Utilizing an OBD-II scanner can provide valuable insights by revealing any error codes that may indicate specific problems within the vehicle. Additionally, assess the starter motor to ensure it is operational, as a malfunctioning starter can prevent the engine from turning over. Finally, examine the fuel system components, such as the fuel pump and injectors, to ensure they are delivering fuel effectively. By systematically addressing these areas, you can effectively diagnose and resolve the starting issues with your Subaru BRZ.

What are the common problems that could cause a 2017 Subaru BRZ to not start?

When troubleshooting starting issues with a 2017 Subaru BRZ, it's essential to consider several common problems that could be at play. A dead battery is often the first suspect, as it can easily result from age, extreme weather conditions, or simply leaving the lights on. If the battery is functioning properly, the next area to investigate is the starter motor; 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 the engine's ability to start. It's also important to check the ignition switch, as a defect here may stop the vehicle from starting when the key is turned. Worn or faulty spark plugs can lead to ignition problems, making it difficult for the engine to fire up. Lastly, any malfunctions in the ignition system, including issues with the ignition coil or distributor, can significantly impact the starting process. By systematically examining these components, you can effectively diagnose and address the starting issues with your Subaru BRZ.

How urgent is it to address the starting issue in a 2017 Subaru BRZ?

When dealing with starting issues in a 2017 Subaru BRZ, understanding the urgency of the situation is crucial for any DIY enthusiast. If the vehicle fails to start completely or presents safety concerns while driving, immediate attention is necessary to prevent further complications or potential breakdowns. Intermittent starting problems may seem less urgent, but consistent issues can significantly impact the vehicle's reliability, making it essential to diagnose the root cause promptly. A professional diagnostic assessment can provide clarity on the severity of the issue, guiding your next steps. Additionally, if your BRZ is still under warranty, addressing these problems quickly can help you take advantage of any repair coverage. Lastly, prioritizing preventive maintenance not only addresses current issues but also safeguards against future damage, ensuring the longevity and performance of your vehicle. By recognizing these factors, you can make informed decisions about how urgently to tackle starting issues in your Subaru BRZ.

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