4 signs your car's fuel filter is clogged and needs to be replaced
(Baonghean.vn) - The car's fuel filter is responsible for filtering out dirt in the fuel tank, ensuring a full and continuous supply of fuel when the vehicle is operating. At the same time, it ensures a long engine life when operating. Below are signs that the fuel filter is clogged and needs to be replaced.
- 1. The car won't start, starts unevenly, or starts but won't run.
When starting the car and it cannot start, it is very likely that the fuel filter is too dirty and the gasoline cannot pass through to the combustion chamber. Specifically, when trying to increase the throttle, the car will make a reluctant popping sound of the engine due to lack of fuel. Or the car is difficult to start, it takes a long time to start, the start does not sound smooth, or it starts but does not run as if the car is lacking fuel.
The reason is that the fuel filter is clogged, so the amount of fuel passing through it is small and not enough to provide the necessary level for the engine. To make the car run, press the accelerator pedal several times to increase the pump force, to provide enough fuel for the car to run. After that, you should go to the maintenance center to fix the car's condition.
2. Strange noise from the machine
If after the engine has started, a minute after the engine has warmed up, you still hear noises coming from the engine, like a clanking or “ticking” sound, it could be a sign of a clogged filter.
The cause is due to the fuel filter being clogged or too dirty, causing insufficient fuel to enter the engine, causing the pressure in the engine head to drop, reducing the combustion chamber pressure and creating a knocking sound.
When the car has this condition, it must be treated as soon as possible. The car should be checked to replace the fuel filter.
3. Phenomenon of engine starting outside or quitting
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External explosion is a phenomenon where the combustion process does not take place in the cylinder but outside the engine, right in the exhaust pipe. In this case, sparks will be seen flashing out of the exhaust pipe. Or the explosion phenomenon does not continue continuously, some cylinders explode, some cylinders do not explode, called misfiring.
When these situations occur, the vehicle naturally does not have enough power to maintain steady movement. It is best to bring the vehicle to the garage for inspection as soon as possible to clean or replace the fuel tank filter and filter cup.
- 4. Fuel-consuming car
Not only is it difficult to start, jerks and makes unpleasant noises, a clogged fuel filter also causes the engine to consume more fuel than usual.
The cause is due to the fuel filter being clogged, so the amount of fuel supplied to the engine is uneven. When there is not enough fuel, the engine will be difficult to start and lose power, reducing capacity; when there is too much fuel, it will not burn completely and will be discharged, causing waste and environmental pollution.
According to manufacturers' recommendations, fuel filters should be replaced periodically as a necessary maintenance task; fuel filters should be replaced every 2 years or every 50,000 km.
At the same time, all items, even the fuel tank, must be checked and the cause must be found. Thus, to keep the vehicle running at its best, attention must be paid to disease prevention.
