Clean air - long engine life: why it's important to change the air filter - The Stratford Observer

Clean air - long engine life: why it's important to change the air filter

Correspondent 11th Jul, 2024 Updated: 15th Jul, 2024   0

The air filter in your car plays an important, though not always obvious, role. It is the guardian of your engine, protecting it from dust, dirt and other harmful particles that can lead to serious damage. Let’s take a look at why regular air filter replacement and maintenance is so important.

Why do you need an air filter?

  1. An internal combustion engine, like any living organism, needs clean air to function properly. The air filter provides clean air to the engine, which is necessary for efficient combustion. Without it, the engine begins to “choke”, which leads to a number of problems.
  2. Air filters for cars are made of different materials, each of which has its own features and advantages:Paper (cellulose fiber): This is the most common material for air filters. Paper is impregnated with special resins that increase its strength, resistance to moisture and oil. The pleated structure of the paper increases the filtration area and particle capture efficiency.
  3. Synthetic fiber: This material is becoming increasingly popular due to its strength, durability and resistance to moisture. Synthetic fiber filters can be washed and reused, making them more economical in the long run.
  4. Cotton fiber: This material is used in the low-impedance filters found in sports and performance cars. Cotton fiber provides high airflow, but requires more frequent replacement.
  5. Polyurethane foam: This material is used in zero resistance filters that maximize airflow to the engine. However, polyurethane foam filters require regular cleaning and impregnation with special oil, and check more.

The choice of air filter material depends on the type of vehicle, operating conditions and individual preferences of the car owner.

Consequences of neglecting to change the filter:

  • Reduced engine power: A clogged filter restricts airflow, resulting in a loss of power and impaired vehicle dynamics.
  • Increased fuel consumption: To compensate for the lack of air, the engine consumes more fuel, which hurts your wallet.
  • Increased engine wear: Dust and dirt that enters the engine acts as an abrasive, accelerating component wear and shortening engine life.
  • Increased emissions: Inefficient combustion of fuel leads to increased emissions of harmful substances into the atmosphere.

How often should I change the air filter?

The frequency of changing the air filter depends on the operating conditions of the vehicle. On average, it is recommended to change it every 10,000 to 15,000 miles or once a year. However, if you frequently drive on dusty roads or in conditions of high air pollution, the filter may need to be changed more frequently.




How do I check the condition of the air filter?

You can check the condition of the filter yourself by opening the hood and inspecting it. If the filter looks dirty or damaged, it should be replaced.


Changing your air filter regularly is a small investment that will pay off a hundredfold. A clean air filter according to advice from the site buycarparts.co.uk will keep your engine running optimally, reduce fuel consumption, extend engine life and reduce harmful emissions.

Don’t neglect this simple but important maintenance!

Additional tips:

  • When changing your filter, contact a trusted professional or follow your vehicle’s owner’s manual.
  • Use only tested filters recommended by the manufacturer.
  • Do not attempt to clean an old filter – this is ineffective and may cause engine damage.

Don’t skimp on the health of your vehicle!

Article written by Alena Kirsanova

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