Top Reasons Your Engine Repair Light Came On

May 21, 2021 Published by Leave your thoughts

If you’ve been driving for any length of time, chances are you’ve had it happen: The dreaded check engine light has come on. You probably acknowledge that this isn’t a good thing, but at the same time, your car seems to be running fine, so maybe you don’t get it checked out right away.

If the engine repair light won’t go off, you should have your vehicle examined by an automotive professional in Lubbock, TX because they’ll be able to diagnose the problem and help you fix it. Even if you do this, it would still be helpful to know why your check engine light came on in Lubbock, TX. Here are some of the top reasons.

Loose gas cap

If your car’s gas cap is loose, damaged or missing, that will cause the check engine light to illuminate. The gas cap is an especially important part of your car because it ensures that gas doesn’t evaporate and helps to maintain proper pressure in the gas tank. You can and should check this to see if it causes the engine repair light to turn off.

Faulty catalytic converter

The catalytic converter is an integral part of your vehicle’s exhaust system. It helps your car run more efficiently while also filtering out harmful pollutants during the emissions process. Unfortunately, it can be expensive to replace. If, in addition to your check engine light coming on, you notice an odor that smells like rotten eggs, your catalytic converter might be the culprit.

Failed oxygen sensor

If your car’s engine repair light won’t go off, it’s possible that it could be a faulty oxygen sensor. The oxygen sensor in your vehicle monitors how much unburned oxygen there is in your vehicle’s exhaust. It is a critical component in the way your vehicle monitors fuel consumption. When it’s not working properly, you’ll receive the check engine warning, and you should take it to a mechanic.

Malfunctioning mass airflow sensor

This sensor gauges the amount of air that flows into your engine to ensure that the right amount of fuel is used and your car can run efficiently. Leaks in the intake tract that occur before or after the mass airflow sensor can trigger the check engine light; this can also happen if any dirt, dust, oil or water vapor get into the system. You may also notice a decrease in fuel efficiency.

Worn out spark plugs or spark plug wires

Without spark plugs, you wouldn’t be able to fire up your car’s engine. The wires attached to them are the mechanism used to get the engine started. Over time, it’s possible that your spark plugs or their accompanying wires can become worn out or defective, and, as a result, you’ll likely see your check engine light come on.

Call to schedule an appointment today

No matter the reason, if your vehicle’s engine repair light won’t go off in Lubbock, TX, you should definitely take your car in to be inspected by a professional. That’s where we at M & M Tire & Service Center come in. We’re committed to offering you quality service at a competitive price while making sure that your vehicle can get you and your family where you need to be safely and reliably.

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