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fuel filter suppliers,fuel filter in fuel pump,volvo d13 fuel filter replacement

Many friends tend to confuse the concepts of fuel pump filter screen and fuel filter. The fuel pump is installed inside the fuel tank, while the fuel filter is generally installed on the vehicle chassis outside the fuel tank and connected with the oil pipe, which is easier to find.

The fuel filter is one of the "three filters" of the automobile (the other two are the air filter and oil filter), which is one of the routine major maintenance items that the automobile must do.

But different from the oil filter and air filter, the replacement cycle of the fuel filter is longer, so it is easy to be ignored. The fuel filter is used to filter impurities and a small amount of water in the fuel. Therefore, the oil product has a great relationship with the service life of the fuel filter. However, even if the oil product is OK, the fuel filter will gradually block after a long time. The symptoms of blockage are typical oil blockage faults.

The blockage of the fuel filter is also a process from light to heavy. The symptoms of slight blockage are not obvious, but you can still feel the decline in engine working conditions. The serious blockage will cause the car to be unable to use normally.

Because the symptoms of fuel filter blockage are similar to those of fuel circuit blockage such as fuel nozzle carbon deposition and fuel pump blockage, if other fuel circuit faults are eliminated, consider whether the fuel filter should be replaced when the following four symptoms occur.

Early blocking acceleration vehicle

The impurities in the fuel are filtered layer by layer through the filter paper to supply oil to the engine. If it is slightly blocked, it will cause the occasional mixture concentration to be too thin, and there will be a slight sense of frustration during acceleration. Generally, the phenomenon of vehicle shrugging occurs in the early stage of fuel filter blockage.

The car is slightly blocked and the engine starts to slow down

This situation is more obvious when the fuel filter is slightly blocked, especially when the vehicle is under a heavy load, the power drop is very obvious because when the filter is slightly blocked, there will be an air-fuel ratio error caused by insufficient fuel supply, which will directly slow down the power of the vehicle.

More serious congestion will lead to unstable idle speed and jitter

This is when the blockage is serious, there is a continuous working condition of insufficient mixture combustion, and the engine will be unstable at idle speed and shake seriously.

The vehicle is blocked seriously or it is difficult to start

This phenomenon shows that the blockage of the fuel filter has been very serious. At this time, the car is not only accompanied by serious poor acceleration but also has the problem of difficult starting and difficult driving.

The blockage of the fuel filter will lead to a poor oil circuit and an imbalance of mixture proportion, resulting in the phenomenon that the mixture cannot be fully burned, which directly causes a large amount of carbon deposition in the engine.

To ensure the good performance of the engine, the fuel filter generally needs to be replaced regularly. Generally, depending on the refueling products, the vehicle needs to be replaced after driving 30000 - 50000 kilometers. If the refueling products are poor, the replacement cycle needs to be advanced. Compared with the fuel filter, when the fuel is poor, the blockage of the fuel pump filter screen will bear the brunt.