
Even at low speeds, your engine sucks in a huge amount of air necessary for the process of internal combustion that drives the car. This air has to be clean and free from particles such as dust and dirt, or these could clog up the engine over time causing it to lose efficiency or even break down. As a result most engines use special air filters to clean the air that they take in, trapping all the dirt and dust that could cause damage. This part has a limited lifespan before it becomes completely clogged, impeding the flow of air to the engine, and needs to be changed.
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