What are the effects of not replacing the fuel filter?

1 Answers
VictoriaFitz
07/29/25 3:18pm
The effects of not replacing the fuel filter: 1. Slow or no response when accelerating, making it difficult to start the car; 2. When the engine is running, fuel enters the sediment bowl of the filter under the action of the fuel pump through the inlet pipe. The fuel filter is located on the inlet side of the fuel pump, where the working pressure is lower, and it uses a nylon shell. For fuel-injected engines, the fuel filter is located on the outlet side of the fuel pump, where the working pressure is higher, and it typically uses a metal shell. When the fuel filter is clogged, its capacity increases, and the flow rate decreases, causing heavier water and impurity particles to settle at the bottom of the bowl, while lighter impurities flow with the fuel toward the filter element. Clean fuel then seeps through the micropores of the filter element into its interior and flows out through the fuel pipe.
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