Is Your Check Engine Light On? 4 Possible causes why its lighting

The check engine light feature on your motor vehicle is designed to sense if something is wrong. However, it doesn’t necessarily mean you are about to have a dent in your pockets. Some of the issues that trigger this light on can be fixed instantly.

Check Engine light Common Causes

The following are some of the most common issues that will have your check engine light on;

1. Oxygen Sensor Failure

Oxygen sensor records the amount of unburnt oxygen in the car’s exhaust system. Data is sent to the car’s system which in turn controls the mixture of air and fuel that enters the cylinder.

Your engine will still run in this state but in the long run you will have an issue. You will also use more than the usual fuel.

2. Loose Fuel Cap

This issue is one of the main reasons why you will have your check engine light on. The cap is an essential part in the transfer of fuel. It holds back the gas fumes from escaping out of the fuel tank.

If you have the check engine after coming from a gas station. Park your car and make sure that it’s not loose. In some instances, you will need to replace it.

3. Catalytic Converter Failure

It is integrated in the vehicle’s exhaust system. It converts the carbon monoxide that is produced into carbon dioxide. Its failure leads to the check engine light on. You can simply replace it when it fails. At times, performing regular maintenance like changing your oil will give the catalytic converter a long life.

4. Spark Plug/Ignition Coil Troubles

The ignition coil generates electricity that the spark plugs use to ignite the fuel and air mixture in the engine cylinders. Different makes and models of cars have various spark plugs. A faulty ignition coil will lead to the check engine light going on. Have it replaced as soon as you diagnose the issue.

Other issues that may cause your check engine light to go on include; bad spark plug wires, mass airflow sensor failure, issues with the aftermarket alarm, vacuum leak, exhaust gas recirculation valve failure, dead battery, and misfires.