2014 Subaru Impreza Won't Start

Common Causes for Your 2014 Subaru Impreza Not Starting and How to Resolve Them

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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 2014 Subaru Impreza 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 for a 2014 Subaru Impreza that won't start?

When diagnosing a 2014 Subaru Impreza that won't start, it's crucial to follow a structured approach to pinpoint the issue accurately. Start by examining the battery and electrical system, as a common reason for a no-start condition is a weak or dead battery. Utilize a digital multimeter to check the battery voltage, which should ideally be around 12.6 volts when fully charged. If the battery is low, attempt a jump-start, ensuring the cables are connected correctly to avoid damaging the electrical system. Next, inspect the fuse box for any blown fuses, particularly those linked to the starting circuit, as replacing a faulty fuse can often resolve the problem. After that, verify the starter motor and ignition system; ensure the ignition switch is functioning properly and that the brake pedal is pressed if your model uses a push-button start. It's also important to check for spark and fuel delivery to the engine by examining the spark plugs and confirming that the fuel pump is priming without any leaks. Additionally, inspect all electrical connections for signs of corrosion or loose terminals, as these can impede the starting process. Finally, consider any potential sensor or ECU issues, especially if there are aftermarket modifications. By systematically addressing these components, you can effectively narrow down the cause of the no-start condition and determine if professional help is necessary.

What are the common problems that could cause a 2014 Subaru Impreza to not start?

When your 2014 Subaru Impreza refuses to start, it can be frustrating, but understanding the common problems can help you troubleshoot effectively. One of the first areas to check is the battery and electrical system; even if the battery appears functional, corrosion on terminals or an old battery may hinder its ability to deliver sufficient power. If you hear a clicking sound when turning the key, the starter motor or solenoid might be at fault. Next, consider the fuel system; a failed fuel pump or a clogged fuel filter can prevent fuel from reaching the engine, so ensure the tank isn’t empty and inspect the filter for blockages. Additionally, air and spark issues can arise from a dirty air filter or worn spark plugs, both of which are easy to clean or replace. Don’t overlook the importance of sensors; faulty components like the camshaft position sensor can disrupt the engine's starting process. Lastly, check for vacuum leaks or issues with the Positive Crankcase Ventilation (PCV) valve, as these can affect the air-fuel mixture. By methodically examining these areas, you can identify and potentially resolve the starting issue on your own.

How urgent is it to diagnose and fix the starting issue in a 2014 Subaru Impreza that won't start?

Addressing starting issues in a 2014 Subaru Impreza is crucial due to the potential safety risks and the likelihood of further vehicle damage if left unresolved. A car that fails to start can leave you stranded, particularly in isolated areas, which poses a significant safety concern. Moreover, intermittent starting problems often signal deeper issues within the vehicle, such as battery, alternator, or ignition system failures. Ignoring these symptoms can lead to more extensive and costly repairs down the line. For those who rely on their vehicle for daily activities, the inconvenience of a car that won’t start can disrupt routines and diminish reliability. Additionally, certain starting problems, particularly those related to the fuel system or ignition, can cause further damage to critical components like the catalytic converter if not addressed promptly. Therefore, it is essential to take immediate action by checking the battery, alternator, and starter, as well as inspecting for fuel delivery and spark. Utilizing an OBDII scanner can also help identify any error codes that may point to the root of the problem. By prioritizing these steps, you can ensure the safety and reliability of your vehicle while preventing more severe issues in the future.

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