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A fuel filter, like most parts of your car, is absolutely necessary for proper engine performance. However, unlike most essential parts like your car’s wheels, or engine block, you’ve probably never heard of your fuel filter - and its maintenance is probably not on the top of your priorities. What is a fuel filter? Where is it located? And what are the signs of its failure?

What is your fuel filter?

Your car uses gas from your fuel tank to power your engine. However, small impurities such as dirt, debris, or other particulate matter can adversely affect the performance of your engine. The fuel filter was designed to catch these small impurities in your gas before it enters your engine, so only pure gasoline is used. Your fuel filter functions much like an air filter; catching particulate matter in a fine film before it can pass into your engine. Some newer cars come with a simple fuel strainer, that is replaced only with the full fuel assembly.

Where is the fuel filter located?

The fuel filter is located somewhere in between your fuel tank and your engine. Typically, the fuel filter is either located inside the fuel tank (in the opening of the fuel line, which feeds gas to your car), or somewhere in the fuel line (this is usually at the bottom of your car.) If you are unsure of your fuel filter’s location, your car’s documentation will contain a precise answer.

Working of fuel filter in your car

The fuel system is consists of filters and screens to prevent dirt in the fuel pump and carburetor. Dirt causes, of course, poor engine performance, and prevents normal operation of fuel pump and carburetor.

The fuel is filtered when it enters the fuel tank. In some cases, it is again filtered in the fuel pump. This filter is located in some carburetors also. However, a separate filter is also connected to the fuel pump and carburetor. It filters the fuel before it enters the carburetor.

The figure shows you a ceramic-type fuel strainer. It is connected between the fuel pump and the carburetor. It serves to catch any water or foreign particles that were not filtered out in the fuel pump sedimental bowl and strainer or in the fuel tank filter unit.

The fuel entering the glass bowl passes through a ceramic filter which separates the foreign particles and the filtered fuel comes out from it. Finally, this water and sediments are collected in the bowl which can be removed for cleaning.

When should I change my fuel filter?

Like any filter, your fuel filter catches dirt and other debris. As your car’s life goes on, the fuel filter can become clogged and dirty, which may impact your car’s performance, allowing fuel with particulate matter to pass into your fuel injector, or, stopping optimal flow of fuel. Earlier in the industry, the lifespan of a fuel filter was quoted as 30,000 to 60,000 km, however, with fuels getting more and more pure, a fuel filter can operate optimally for up to 100,000 km.

Paradoxically, changing your fuel filter for the first time above mileages of 150,000 km can cause engine failure; this is most likely because your fuel pump works harder to overcome the dirty filter. You should exercise caution when changing your filters at these mileages, and consult a mechanic before completing them.

Juelong can diagnose and change your fuel filter at either your home, or your place of residence. Book now, shoot us an instant chat message.

We have Fuel filter for HYUNDAI 11E1-70210 for sale, for more information, we are glad to serve you.