Chinese filters have been through for more than 30 years. Since Bengbu initiated the establishment of national testing standards in Bengbu in the 1980s, it has promoted the rapid rise of the entire industry. In particular, the Wenzhou model has shined, from auto trim to auto parts, from exterior to auto There is a qualitative leap in the interior, but the fuel filter, that is, the gasoline filter, has not been paid attention to. It is the product with the least frequency of replacement among the 4 filters and the most easily overlooked product. The speed is accelerating, the oil price is rising rapidly, the environment is changing, the technology is environmentally friendly, and the carbon emission is reduced.

If the filter is installed in the fuel line, it is called an external filter (External); conversely, the internal filter (Internal) refers to the filter installed inside the fuel pump and fuel tank. Among them, the fuel tank filter or its protective sleeve is generally considered to be a maintenance-free component.

The fuel filter of many imported cars uses a drum tube connection (BanjoFITtings). In order to ensure the reliability of the connection and sealing, the same gasket must not be used repeatedly. In addition, even if a brand-new gasket is used, the tightness of the connection must be checked. When the fuel system needs to replace the "O" ring, it is necessary to ensure that the specifications and model of the "O" ring are correct, and to check whether the elasticity and hardness of the ring are appropriate.

The fuel system without loop has only one internal filter (in the fuel tank). Although this all-in-one pump, filter, and delivery unit are expensive, when fuel delivery is blocked or When the engine performance decreases due to this, proper maintenance must be carried out in time. At the same time, it is necessary to check all the faults in the fuel line and the rupture and curling of the hose clamp.

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