Gasoline filter, referred to as the "gas filter". A carburetor type gasoline filter , EFI type filter. The filter element of the gasoline filter normally use paper,  also has the use of nylon cloth and polymer material.

Impurities contained in gasoline will damage the engine's fuel injection nozzle, fuel pump, fuel line and other components, affecting the operation of the fuel system. 

The main function of gasoline filter in fuel system filter   impurities, clean fuel to protect the normal work of the engine.

As one of the automobile filters, the gasoline filter belongs to the vulnerable part. 

Most of the engine assembly is, disposable, unpick and wash, paper filter fuel filter, general every 10000 km to be replaced.High quality oil, can also be replaced by a filter 15000-20000 filter. 

Long term use not replaced, will make the filter function weakened, affecting the engine performance.

In general, there are several aspects of the gasoline filter:

Inferior gasoline filter, the work is relatively rough, very easy to distinguish between the naked eye. Filter weight is different, because the filter material, inferior gasoline filter filter light general seriously.

Filter paper, inferior gasoline filter, filter materials used in general is not qualified. Filter can not fully filter impurities, long-term use of these poor filter, will affect the normal operation of the engine fuel system.

Long term use of low-grade gasoline vehicle filter, increase the engine parts of the wear and tear, affecting the engine life, engine power, fuel consumption increased, increased emissions of harmful substances.