How to Reset Check Engine Light on Subaru Impreza

If you drive a Subaru Impreza, you may have noticed that your check engine light has come on at one point or another. This can be a cause for concern, as the light can indicate anything from a minor issue to a major problem with your vehicle. Fortunately, resetting the check engine light on your Subaru Impreza is a relatively simple process that you can do on your own, without the need for professional assistance.

In this article, we will guide you through the step-by-step process of resetting the check engine light on your Subaru Impreza. We will also discuss some common causes of the check engine light and how to prevent it from coming on in the first place. By the end of this article, you will be equipped with the knowledge and tools necessary to reset the check engine light on your Subaru Impreza.

Key Takeaways

  • The check engine light on your Subaru Impreza can indicate a wide range of issues, from minor problems to major malfunctions.
  • Resetting the check engine light on your Subaru Impreza is a relatively simple process that you can do on your own, without the need for professional assistance.
  • To reset the check engine light on your Subaru Impreza, you will need an OBD-II scanner, which can be purchased online or rented from an auto parts store.
  • It is important to address the underlying cause of the check engine light, as resetting the light without addressing the issue can lead to further damage to your vehicle.
See also  Unleashing Your Impreza's True Stopping Power: An Overview of Subaru Impreza Front Calipers

Step-by-Step Guide to Resetting the Check Engine Light on Your Subaru Impreza

Before we dive into the step-by-step process of resetting the check engine light on your Subaru Impreza, it is important to understand what the check engine light is and what it means. The check engine light is part of your vehicle’s onboard diagnostics (OBD) system, which monitors various sensors and systems in your vehicle to ensure that they are functioning properly. When the OBD system detects an issue, it illuminates the check engine light on your dashboard.

Now let’s get started with the process of resetting the check engine light on your Subaru Impreza:

Step 1: Obtain an OBD-II Scanner

To reset the check engine light on your Subaru Impreza, you will need an OBD-II scanner. This is a device that connects to your vehicle’s OBD port (usually located under the dashboard) and communicates with the OBD system to retrieve diagnostic information. You can purchase an OBD-II scanner online or rent one from an auto parts store.

Step 2: Locate the OBD Port

Once you have obtained an OBD-II scanner, you will need to locate the OBD port in your Subaru Impreza. The OBD port is usually located under the dashboard on the driver’s side of the vehicle. It may be covered by a plastic cover that you will need to remove to access the port.

Step 3: Connect the OBD-II Scanner to the OBD Port

Once you have located the OBD port, connect the OBD-II scanner to the port. Make sure that the scanner is securely connected and that it is properly powered on.

See also  How Much Does a Subaru Cosworth Impreza Cost?

Step 4: Retrieve Diagnostic Information

Once the OBD-II scanner is connected to the OBD port, it will communicate with the OBD system in your vehicle to retrieve diagnostic information. This information will include any codes that are associated with the check engine light.

Step 5: Clear the Check Engine Light

After you have retrieved the diagnostic information, you can now clear the check engine light. This is done through the OBD-II scanner, which will have a menu option to clear the codes. Select this option and follow the prompts to clear the codes.

Step 6: Verify that the Check Engine Light has Been Reset

After you have cleared the codes, you will need to verify that the check engine light has been reset. To do this, start your Subaru Impreza and check the dashboard to see if the check engine light is still illuminated. If it is not, then you have successfully reset the check engine light.

Common Causes of the Check Engine Light and How to Prevent It

The check engine light on your Subaru Impreza can be caused by a wide range of issues, from minor problems to major malfunctions. Some common causes of the check engine light include:

  • A loose or damaged gas cap
  • A faulty oxygen sensor
  • A malfunctioning catalytic converter
  • A faulty mass airflow sensor
  • A problem with the ignition system
  • A problem with the fuel injectors

To prevent the check engine light from coming on in the first place, it is important to keep up with regular maintenance on your vehicle. This includes things like changing your oil and air filters regularly, keeping your tires properly inflated, and having your vehicle serviced by a professional at regular intervals.

See also  DIY Guide: How to Change Spark Plugs on Your 2002 Subaru Impreza Like a Pro

Frequently Asked Questions

Can I reset the check engine light without an OBD-II scanner?

No, you cannot reset the check engine light on your Subaru Impreza without an OBD-II scanner. The OBD-II scanner is necessary to communicate with the OBD system in your vehicle and retrieve diagnostic information.

Will resetting the check engine light fix the underlying issue?

No, resetting the check engine light will not fix the underlying issue that caused the light to come on in the first place. It is important to address the underlying issue in order to prevent further damage to your vehicle.

Can I drive my Subaru Impreza with the check engine light on?

It is not recommended to drive your Subaru Impreza with the check engine light on. The check engine light is an indicator that there is an issue with your vehicle that needs to be addressed. Driving with the check engine light on can lead to further damage to your vehicle.

Avatar photo

Peter Banks

With years of experience as a professional mechanic and Subaru specialist, Peter is one of the most respected members of our team. He's written several articles on Subaru maintenance and repair, and his advice and tips are always practical and helpful. When he's not working on cars, he enjoys cooking and trying out new recipes.

Recommended Articles