But, contrary to popular belief, it doesn’t always mean that your car has a serious issue. It’s true that once the check engine light turns on, there must be something wrong with your car. In most cases, the word “CHECK” or the words “CHECK ENGINE” appears too, and it’s quite impossible not to notice it. When your vehicle encounters a problem, you’ll notice a yellow or orange light on the dashboard shaped like an engine. The Check Engine Light is also popular as the malfunction indicator lamp. This article will discuss everything you need to know about a check engine light that intermittently turns on.īut, it’s essential to understand first what a check engine light is. That’s why it’s best to learn more about why this happens. So, when you encounter this issue, it’s always best to have your vehicle checked by a professional mechanic.Įxperiencing this and not knowing what’s wrong with your car is quite frustrating. If the check engine light turns on and then off, it is possible that the main computer is not correctly registering the problems. Possible causes of the “check engine” light coming off and on are :Ī check engine light that turns on and off intermittently is not uncommon. We will also talk about what you should do when you encounter this issue. Read on to learn more about why the check engine light turns on and off intermittently. So, when you encounter this issue, it’s always best to have your vehicle checked by a professional mechanic. The check engine light turns on and then off because the main computer might not be correctly registering the problems at all times. The possible causes for this are a loose gas cap, a faulty oxygen sensor, bad spark plugs, or a faulty mass airflow sensor. Several possible reasons why a vehicle’s “check engine” light turns on and off intermittently. But what if the check engine light turns on and off intermittently? What causes this, and how to fix it? When the check engine light comes on, you should take your car to a mechanic to get it checked.
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