2016 Scion FR-S Won't Start

Common Causes for Your 2016 Scion FR-S Not Starting and How to Resolve Them

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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 2016 Scion FR-S 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 2016 Scion FR-S that won't start?

When your 2016 Scion FR-S refuses to start, a methodical diagnostic approach can save you time and frustration. Begin by checking the battery, as a weak or dead battery is often the simplest culprit; ensure the terminals are clean and securely connected. Next, verify that there is sufficient fuel in the tank, as low fuel levels can unexpectedly lead to starting problems. If these initial checks don’t resolve the issue, inspect the ignition switch to confirm it’s functioning correctly, as a malfunction here can prevent the engine from turning over. Following this, examine the starter motor to see if it engages when you attempt to start the vehicle; a faulty starter can be a common issue. Additionally, assess the fuel system by checking the fuel pump and injectors for proper operation, as any failure in this system can hinder starting. Finally, inspect the spark plugs for wear or dirt, as faulty plugs can disrupt the ignition process. By systematically addressing these areas, you can effectively diagnose and potentially resolve the starting issue with your Scion FR-S.

What are the common problems that could cause a 2016 Scion FR-S to not start?

When your 2016 Scion FR-S refuses 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 weak battery is often the culprit, especially if the lights or electronics are dim. If the battery seems fine, the next step is to inspect the starter motor, as a faulty starter can prevent the engine from cranking. Additionally, consider the fuel system; 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. Lastly, worn or faulty spark plugs can lead to ignition issues, so checking their condition is essential. By systematically addressing these potential problems, you can effectively troubleshoot and resolve the starting issues with your Scion FR-S.

How urgent is it to address the starting issue in a 2016 Scion FR-S that won't start?

When your 2016 Scion FR-S refuses to start, the urgency to address the issue cannot be overstated. Delaying repairs can lead to more severe problems, such as damage to the battery, starter, or ignition system, which can escalate repair costs significantly. Moreover, a vehicle that fails to start unexpectedly can create dangerous situations, particularly if it occurs in a high-traffic area or during adverse weather conditions. This not only jeopardizes your safety but also that of other road users. Additionally, a non-starting car can disrupt your daily life, making it difficult to commute or run errands. Therefore, it is crucial to diagnose and resolve the starting issue as soon as possible to ensure your vehicle remains safe, reliable, and convenient for everyday use.

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2016 Scion FR-S Won't Start? Common Causes & Repairs