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Why is my engine light on in my 2013 Chevy Equinox?

If your engine light is illuminated on your 2013 Chevy Equinox, it could be an indication of a problem that needs to be addressed. The engine light, also known as the check engine light, is a warning system that alerts you to potential issues with your vehicle's engine or emissions system.


Common Reasons for the Engine Light to Turn On



  • Faulty Oxygen Sensor: The oxygen sensors in your Equinox monitor the air-fuel mixture in the engine. If one of these sensors is malfunctioning, it can trigger the engine light.

  • Loose or Faulty Gas Cap: A loose or damaged gas cap can cause the engine light to turn on, as it can allow air to enter the fuel system and affect the engine's performance.

  • Catalytic Converter Issues: The catalytic converter is responsible for reducing harmful emissions from your vehicle. If it's not functioning correctly, the engine light may illuminate.

  • Malfunctioning Spark Plugs or Ignition Coils: Worn or faulty spark plugs or ignition coils can cause misfiring in the engine, which can trigger the engine light.

  • Engine Computer Failure: The engine control module (ECM) is the computer that manages the engine's operations. If the ECM experiences a malfunction, it can cause the engine light to turn on.


It's important to have the engine light issue diagnosed and addressed as soon as possible to prevent further damage to your Equinox's engine or emissions system. A qualified mechanic can use a diagnostic tool to read the trouble codes stored in the vehicle's computer, which will help identify the specific problem and guide the repair process.


Addressing the Engine Light Issue


Once the cause of the engine light has been identified, the necessary repairs can be made. This may involve replacing faulty sensors, the gas cap, spark plugs, or other components. In some cases, the issue may be more complex, requiring more extensive repairs or replacement of the catalytic converter or engine control module.


It's important to address the engine light issue promptly to avoid further damage to your vehicle and ensure it continues to run safely and efficiently. By following the guidance of a qualified mechanic, you can get your 2013 Chevy Equinox back on the road with the engine light turned off.

What is the most probable cause of a check engine light?


Most common cause of check engine light is bad catalytic converter or defective Oxygen sensor. Another common cause may be defective sensors or components of Exhaust after treatment system. If it is blinking for some times and stops then it indicates one type of complaint.



Why did my check engine light suddenly come on?


It could pop on because of something minor like a loose or faulty gas cap. It could also mean a major engine failure. When the light comes on, the computer stores a “trouble code” that gives information about the source of the problem.



Can I still drive with the engine light on?


If the light comes on and remains on, yet everything seems to be working like normal, you should be able to continue driving. But it is important to schedule an appointment to have the issue diagnosed and fixed. If the light comes on and it is blinking, this is an indication of something more serious.



What can a solid check engine light mean?


This ominous light can signal something as simple as a faulty gas cap, or something more extreme like engine or exhaust malfunctions. Whatever the problem may be, pay attention to the check engine light, and service your vehicle as soon as possible when it comes on.



What is the first thing to check when the check engine light comes on?


gas cap
Check your gas cap first. Many vehicles have a loose gas cap indicator that will be triggered before your check engine light comes on. If your gas cap is loose or the seal is not tight, the vapor leakage can cause your fuel system to trigger the check engine light.



Why is my check engine light on my 2013 Chevy Equinox?


2013 Chevy Equinox Check Engine Light Flashing
Other common reasons for a Check Engine Light are dirty mass airflow sensor, faulty head gasket, damaged oxygen sensor, faulty emissions control part, a malfunction with the fuel injection system, or defective spark plugs to name a few.



Can I drive my car with a solid check engine light?


If the light comes on and remains on, yet everything seems to be working like normal, you should be able to continue driving. But it is important to schedule an appointment to have the issue diagnosed and fixed. If the light comes on and it is blinking, this is an indication of something more serious.



How do you turn off the check engine light on a 2013 Chevy Equinox?


Steps to Reset Check Engine Light

  1. Turn off the ignition and put on safety glasses and gloves.
  2. Locate the negative terminal on your car battery.
  3. Loosen the nut on the negative terminal with a wrench and pull the negative connector from the battery.
  4. Reconnect the negative cable and tighten it with your wrench.



Is it okay to drive with the check engine light on?


Do not delay. Continuing to drive with the check engine light on can potentially cause serious damage and costlier repairs. The check engine light a vehicle is an indicator that something may be wrong with the engine or its components.



Why is my engine light on but nothing seems wrong?


If there are no other symptoms, your check engine light may indicate a problem with your computer, a loose gas cap, transmission errors, or problems with your O2 sensor. If the check engine light is blinking, pull over and call a tow truck. The blinking indicates a more serious problem.


Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.