Check Engine Light Diagnosis

What is the purpose of check engine light?

One of the most dreaded things as a car owner is seeing the “Check Engine” light come on. The light coming on could mean a wide range of things and could cost you a lot of money to fix. It could also mean something minor but it still requires to be checked and diagnosed so you can know what exactly the problem is. The Check Engine Light is a feature that comes with computerized cars these days to indicate that there is something wrong somewhere in your car. The light can either remain constant or be blinking; if it is constant, it means the problem is serious and should be attended to immediately. The Check Engine Light is basically an indicator that shows when something is wrong with your car engine.

Why is it important to have a diagnostic to fix the underlying issue?

Once the Check Engine Light comes up, it is important that you make moves to diagnose the problem and find a solution. Unfortunately, a lot of people do nothing about it, probably because they are scared of incurring huge expenses. But one important fact is that your car cannot pass vehicle inspection without having the check engine light turned off as there is a high possibility that your car is using up a lot of gas or emitting too much pollutant into the environment. So, carrying out a diagnosis is quite the best move to make; to make sure your car is in excellent condition and to prevent more serious damages to your car.

What are common reasons that cause the light to come on?

The Check Engine Light coming on in your car could mean a lot of things and diagnostic measures should be taken to ascertain what exactly the problem is. To some people, it is a big deal while some other people just ignore it. It is, however, advisable to promptly address the issue to prevent some more serious and more expensive problems in future.

Once the check engine light comes on, it could be as a result of a loose gas cap. This is the most common cause as an error message will be sent to the car’s computer indicating that there is a leak in the car’s vapor recovery system. If the gas cap is loose, tighten it and continue using your car. the Check Engine Light will go off, but it will take a while. You can as well buy a not-too-expensive code reader to diagnose the problem yourself. By the time a mechanic checks the car and they give the same information that you got from the code reader, then you will know things are in order. A code reader also helps you as a car owner have some data to point straight to what is most likely wrong with the car and ultimately save more money on diagnosis and other tests.

Another reason why the check engine light may be on is if your Oxygen (O2) Sensor needs to be replaced. This will lead to more consumption of gas and bring about damage to your car’s spark plug if you do not take swift action. Also, your car’s Catalytic Converter may need to be replaced if the check engine light is on. Other reasons why the check engine light in your car may come on include damaged Catalytic Converter, damaged Mass Airflow Sensor, damaged Spark plugs, etc.

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