Signs That Your Car’s Air Filter Needs to Be Replaced

Air is crucial for combustion in the engine. The work of the air filter is to stop impurities from finding its way into the combustion chamber. The air filter is mounted over the air intake valve to filter out dirt, debris and insects. The air filter traps impurities that would normally work their way into the engine and cause damage. Normally used more as a filter, it becomes clogged with time, preventing air from passing through. This begs the question, how can you know when your air filter needs to be replaced? We’ll look at the symptoms in more detail below.

Check Engine Light Comes On

One of the most common signs that your air filter needs to be replaced is when the check engine light comes on. This can be caused by a variety of things, but a dirty air filter is one of the most common culprits.

Reduced Fuel Efficiency

Another sign that your air filter needs to be replaced is reduced fuel efficiency. If you notice that your car is losing power or isn’t getting as good fuel mileage as it used to, it could be time to replace the air filter.

Dirty Cabin Air Filter

f you notice that the air in your cabin smells stale or musty, it’s probably time to replace your cabin air filter. A dirty cabin air filter can also cause allergies or respiratory problems for passengers.


The solution to fix air filter problems is simply to replace it. You can find genuine parts here our online store

About Nonso Okafor

I've worked as a technical support representative in major auto centers in Nigeria for more than twenty years. I have dealt with a variety of problems in my capacity as a customer service representative and auto diagnostics expert. I'm committed to assisting people in properly maintaining their automobiles and in appreciating this magnificent innovation known as an automobile.

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