Why oil light is blinking on and off while driving

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Lets Find Out

Purpose of Oil Light

Before discussing the reasons behind the blinking of the oil light, let us first discuss its purpose in your car. We know that you are curious to know why is my oil light flashing but you should also know the reason behind the installation of this light in your vehicle so that you could understand the reason for its flickering.

What Does The Oil Light Represent?

Now, let’s come to our major topic that explains why the oil light is blinking on and off while driving. There are many reasons behind this happening and some of them have been discussed below. So, you need to go through this section to get an answer to your query. Let’s have a look at these reasons

You will notice oil lights flashing when there is a low amount of oil in your vehicle. It means there is not enough oil available in your vehicle that could let the engine work properly and efficiently. The engine can be lost due to many reasons such as broken valves.

Low Amount of Oil

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When there is a low pressure of oil in your vehicle, you will see the oil light blinking. There are many reasons why there is low oil pressure in your vehicle. Some of these reasons include worn-out oil, faulty oil pressure gauge, oil viscosity, and many more. When there is low oil pressure, it prevents the oil from going through the narrow pathways for providing sufficient lubrication. As a result, lack of lubrication makes the engine seize up and damage it badly that you cannot repair it.

Low Oil Pressure


You will see a blinking oil light when the oil pressure sensor present in your car is damaged or not working properly. There is no major reason behind this happening as it can occur randomly. It may be a result of standard wear and tear. If you do not fix this issue immediately, your car will not be able to get the proper and right amount of oil pressure. As a result, you will have to face major loss in the future where your engine can be damaged completely.

Damaged Oil Pressure Sensor

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An ineffective oil pump is another reason why red oil light is blinking in your car. As we know, this light blinks when there is an issue with your engine or any of its parts, so the oil pump also plays a vital role in the functioning of an engine. If the oil pump is bad, your car will incur wear and tear. This issue immediately pops up the light on your dashboard which is of red color showing that it is a warning to you to save your vehicle’s engine. When the oil pump gets damaged, the only solution to fix it is replacing it with a new one. If you do not replace it timely, your engine will die soon.

Ineffective Oil Pump

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Let us tell you that dirty air filters also result in blinking the red light present on the dashboard of your car. The air filter can get clogged with dust or debris get stuck in it. No doubt, it is very common that air filters get dirty due to external weather and driving the car the whole day outside. When the air filters are clogged, the flow gets reduced and the pressure gets increased. The pressure relief valve plays a vital role in preventing the pressure from getting too high. This valve is present on the oil filter. But if this valve also gets damaged, the oil pressure gets reduced and in turn, you notice red light flickering on your dashboard.e soon.

Dirty Air Filter

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