Air intake system and its working principle  

The function of the intake system is to get air to your car engine.  Oxygen in the air is an essential component of the combustion process of an engine.  A good intake system allows clean and continuous airflow into the engine, thus achieving more power and better mileage for your car.  

A good intake system allows clean and continuous airflow into the engine  

The modern automotive intake system has three main parts - air filter, mass flow sensor and throttle body.  The intake system, located directly behind the front grille, draws air through a long plastic tube into the air filter housing, which will be mixed with the car's fuel.  Only then will air be sent to the intake manifold to supply the fuel/air mixture to the engine cylinders. 

Air filter  

The air filter is an important part of the car intake system, because it is through the air filter that the engine "breathes".  It's usually a plastic or metal box that houses the air filter.  

An engine needs a precise mixture of fuel and air to run, with all the air first passing through the air filter into the system.  Air filters are designed to remove dirt and other foreign particles from the air, preventing them from entering the system and potentially damaging the engine.  

Air filters prevent airborne dirt and other foreign particles from entering the system  

Air filters are usually located in the air flow to the throttle assembly and intake manifold.  It is found in a compartment under the hood of your car under an air duct throttle assembly. 

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