2017 Toyota 86 Won't Start

Common Causes for Your 2017 Toyota 86 Not Starting and How to Resolve Them

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Reviewed by
Aisha
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 Toyota 86 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 2017 Toyota 86 won't start?

When your 2017 Toyota 86 refuses to start, the first step is to check the battery, as a dead or weak battery is a common culprit. Look for any corrosion on the terminals and ensure they are tightly connected. Next, confirm that there is enough fuel in the tank, as running out of gas can often be overlooked. After that, inspect the ignition system; a malfunctioning ignition switch can prevent the car from starting, so check for any visible damage. If you hear a clicking sound when turning the key, this may indicate a problem with the starter motor, which could require repair or replacement. Additionally, using an OBD-II scanner to check for error codes can provide valuable insights into any underlying issues. Finally, don’t forget to inspect the fuse box for any blown fuses that might be affecting the starting system, replacing them with the correct amperage if necessary. By systematically following these steps, you can effectively diagnose and address the starting problem with your Toyota 86.

What are the common problems that could cause a 2017 Toyota 86 to not start?

When troubleshooting a 2017 Toyota 86 that won't start, it's essential to consider several common problems that could be at play. A dead or weak battery is often the first suspect, as it can result from age, extreme weather, or simply leaving the lights on. If the battery is functioning, the next area to investigate is the starter motor; a faulty starter may fail to crank the engine, leading to starting issues. Fuel delivery problems, such as a clogged fuel filter or a malfunctioning fuel pump, can also prevent the engine from receiving the necessary fuel to start. Additionally, ignition system failures, including issues with the ignition switch or ignition coil, can disrupt the starting process. It's also important to check the alternator, as a faulty unit may not charge the battery effectively. Worn or defective spark plugs can hinder engine ignition, while a malfunctioning security system may inadvertently prevent the vehicle from starting. Lastly, a faulty fuel injector can disrupt the fuel flow, further complicating the starting process. By systematically addressing these potential issues, you can effectively diagnose and resolve the starting problems with your Toyota 86.

How urgent is it to address the starting issue in a 2017 Toyota 86 that won't start?

When your 2017 Toyota 86 refuses to start, the urgency to address the issue cannot be overstated. Ignoring this problem can lead to a cascade of complications, including potential damage to critical components like the battery, starter, or ignition system, which can escalate repair costs significantly. Moreover, a vehicle that fails to start unexpectedly can create safety hazards, particularly if it occurs in a precarious situation, such as on a busy road or during inclement weather. Promptly diagnosing and resolving the starting issue not only safeguards your vehicle's integrity but also ensures the safety of everyone on the road. Additionally, a non-starting car can disrupt your daily life, causing missed appointments and unnecessary stress. Therefore, it is essential to take immediate action to identify and fix the starting problem, restoring both the functionality of your vehicle and your peace of mind.

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2017 Toyota 86 Won't Start? Common Issues & Repair Costs