2024 Subaru Impreza Engine Is Stalling

Common Causes of Engine Stalling in Your 2024 Subaru Impreza and How to Resolve Them

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Reviewed by
Devin Cabugcal
Written by RepairPal Car Genius
Updated January 14, 2025
0%
30% chance it's the
Fuel System
0%
15% chance it's the
Air Intake System
0%
55% chance it's
Something else
The most common reasons a 2024 Subaru Impreza engine is stalling are the fuel system, the air intake system, or the ignition system.
  • Fuel System: A clogged fuel filter or failing fuel pump can restrict fuel flow, resulting in poor engine performance and starting issues.
  • Air Intake System: A dirty or damaged air filter or a malfunctioning mass airflow sensor can restrict airflow, leading to reduced engine performance and efficiency.
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.

How much does it cost to fix a 2024 Subaru Impreza engine is stalling?

Common Repairs

The total repair cost will vary based on the condition of your vehicle and the number of repairs needed to fix your symptom. Proper diagnosis will save you money by finding the exact repairs needed to fix your car right the first time.

Any time there is an emissions fault the check engine light will be displayed. The purpose of the check engine light is to inform the driver that an emission related fault has been found, and that there are on-board diagnostic (OBD) trouble codes stored in the powertrain or engine control module. Additionally, since the emissions systems are so intertwined into engine control and transmission control systems, symptoms may include nearly any sort of drivability concerns. This may include harsh shifting, failure to shift, hesitation on acceleration, jerking, engine failure to start or run, loss of power, or any number of other drivability issues.

When the Check Engine Light comes on, you may experience engine performance issues such as poor acceleration, rough idling, or an engine that won't start. In some cases, no abnormal symptoms will be experienced. Other systems like the transmission or ABS can cause the Check Engine Light to illuminate and lights for those systems can come on at the same time. Similar lights may say "Check Engine Soon", "Malfunction Indicator Light" or just "Check". In rare case the engine can overheat.

What initial diagnostic steps should be taken for a stalling engine in a 2024 Subaru Impreza?

When faced with a stalling engine in your 2024 Subaru Impreza, it's essential to adopt a systematic diagnostic approach to identify the root cause. Start by checking the fuel system; ensure that there is enough fuel in the tank and inspect the fuel lines for any leaks or blockages that could hinder fuel delivery. Next, turn your attention to the air intake system by examining the air filter for dirt or clogs, as restricted airflow can significantly impact engine performance. Following this, inspect the ignition system, particularly the spark plugs, as worn or fouled plugs are common culprits of engine stalling. Utilizing an OBD-II scanner to check for error codes can provide valuable insights into any underlying issues recorded by the vehicle's computer. Additionally, ensure that the battery is in good condition and fully charged, as a weak battery can disrupt the electrical system and lead to stalling. Finally, take a look at the engine sensors, such as the mass airflow and throttle position sensors, to confirm they are functioning correctly. By methodically working through these steps, you can effectively diagnose and address the stalling issue in your Subaru Impreza.

What are the common problems that could cause the engine to stall in a 2024 Subaru Impreza?

When diagnosing engine stalling issues in a 2024 Subaru Impreza, it's essential to consider several common problems that could be at play. Fuel system problems, such as a clogged fuel filter or a failing fuel pump, can significantly impact engine performance, leading to unexpected stalls. Additionally, malfunctions in the ignition system, including faulty spark plugs or a malfunctioning ignition coil, can disrupt the ignition process, causing the engine to stall. Sensor failures, particularly with components like the mass airflow sensor or crankshaft position sensor, can also lead to performance issues that result in stalling. Electrical problems, such as a weak battery or a faulty alternator, may cause the engine to lose power suddenly. Furthermore, vacuum leaks can create an imbalance in the air-to-fuel ratio, contributing to stalling episodes. Lastly, a malfunctioning throttle body can hinder airflow to the engine, exacerbating stalling issues. By being aware of these potential problems and conducting regular maintenance, DIY enthusiasts can effectively troubleshoot and maintain their Subaru Impreza, ensuring a smoother driving experience.

How urgent is it to address the engine stalling issue in a 2024 Subaru Impreza?

Addressing the engine stalling issue in a 2024 Subaru Impreza is of utmost urgency due to the significant safety risks it poses. Stalling while driving, especially at high speeds or in heavy traffic, can lead to dangerous situations that jeopardize both the driver and other road users. Moreover, neglecting this issue can result in further damage to the vehicle's components, leading to more extensive and costly repairs in the future. Timely intervention not only helps in avoiding these potential hazards but also ensures that the vehicle maintains optimal performance and drivability. A stalling engine can disrupt the smooth operation of the car, causing unexpected breakdowns that can be inconvenient and frustrating. Regular maintenance and prompt repairs are essential for the longevity of the vehicle, and addressing engine stalling issues quickly is a critical step in preserving the overall health and reliability of your Subaru Impreza. Therefore, it is highly recommended to take immediate action if you experience any signs of engine stalling to ensure your safety and the vehicle's performance.

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