2025 Subaru Crosstrek Has A Check Engine Light

Troubleshooting the Check Engine Light in Your 2025 Subaru Crosstrek: Common Causes and Solutions

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Reviewed by
Devin Cabugcal
Written by RepairPal Car Genius
Updated January 14, 2025
0%
40% chance it's the
Emissions System
0%
60% chance it's
Something else
The most common reasons a 2025 Subaru Crosstrek has a check engine light are an emissions system component, a sensor, or a catalytic converter.
  • Emissions System: A faulty emissions system component, such as an oxygen sensor or EGR valve, can lead to increased emissions and trigger the check engine light.
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 2025 Subaru Crosstrek has a check engine light?

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.

Like we noted in the last section, general diagnosis symptoms are the most vague of the bunch. There are several diagnostic spectrums, electrical diagnosis, drivability diagnostics, engine diagnostics, transmission diagnostics, and the list could continue for about 5 or 10 more spectrums of diagnostics. The most important take-away here, is that general diagnostics are diagnostics that have no other spectrum in which they fit, or the problem is unknown. This means that any vehicle left outside of a repair facility with the keys and an authorization to perform diagnosis will be diagnosed under the general diagnosis spectrum.

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 are the initial steps to diagnose the check engine light on a 2025 Subaru Crosstrek?

To effectively diagnose the check engine light on your 2025 Subaru Crosstrek, start with a thorough visual inspection of the vehicle. Begin by checking the gas cap; ensure it is securely tightened and free from damage, as a faulty gas cap is a common trigger for the check engine light. Next, utilize an OBD-II scanner to read the error codes from the vehicle's computer. These codes are invaluable for pinpointing the specific issue at hand. Pay attention to any noticeable changes in your vehicle's performance, such as rough idling or stalling, as these symptoms can provide additional context for the diagnosis. Additionally, consult your owner's manual for insights on what the check engine light may signify and recommended next steps. If the problem persists or appears complex, it may be wise to seek assistance from a professional mechanic to ensure a thorough and accurate diagnosis. By following these steps, you can confidently approach the check engine light issue and take the first steps toward resolution.

What are the common problems that could cause the check engine light to illuminate in a 2025 Subaru Crosstrek?

When the check engine light comes on in your 2025 Subaru Crosstrek, it can be a source of concern, but understanding the common problems that may cause this warning can empower you to take action. One of the simplest issues to check is the gas cap; a loose or damaged cap can easily trigger the light, so ensure it is tightened properly. If that’s not the issue, consider inspecting the oxygen sensor, as a faulty sensor can affect your vehicle's fuel efficiency and emissions. Additionally, problems with the catalytic converter, such as blockages or failures, can also illuminate the check engine light, indicating a need for further investigation. Worn-out spark plugs or malfunctioning ignition coils can lead to misfires, which may also trigger the warning light. Furthermore, the mass airflow sensor and the thermostat are critical components that, if malfunctioning, can cause the check engine light to activate. Lastly, don’t overlook the exhaust gas recirculation (EGR) system, as issues here can also lead to this alert. By being aware of these common problems, you can take the first steps in diagnosing the issue, potentially saving time and money before seeking professional help.

How urgent is it to address the check engine light in a 2025 Subaru Crosstrek?

When the check engine light comes on in your 2025 Subaru Crosstrek, it’s crucial to act quickly. This warning light signifies that there may be underlying issues with your engine or emissions system, which can vary from minor glitches to serious malfunctions. Neglecting this alert can lead to a host of problems, including decreased fuel efficiency, potential engine damage, and even safety risks while driving. The advanced onboard diagnostics in your Crosstrek can help pinpoint the exact issue, but the key is to seek professional diagnosis without delay. By addressing the check engine light promptly, you not only maintain your vehicle's performance and safety but also avoid the risk of incurring more extensive and costly repairs in the future. Taking swift action ensures that your Crosstrek remains reliable and efficient on the road.

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