Booster pump: service, price and operation

An often forgotten booster pump nonetheless play is essential for the proper operation of your engine. It is he who pumps fuel into the tank and supplies it to the engine, passing through the fuel filter.

🚗 What is a booster pump?

La High pressure pump - This is an electric pump, which is most often installed in the fuel tank of a car. It is connected by a pipeline to the engine to supply the latter with fuel. Therefore, she allowspour fuel into the engine.

Thanks to the roller system, it pumps the fuel in which it is immersed and transfers it under pressure to injectors located in the engine. The booster pump first supplies fuel through oil filter or a diesel filter to filter impurities.

To do this, it is powered by an electrical circuit of approximately 12 V.

The booster pump always runs at the same speed. It has a built-in pressure regulator to keep the fuel from reaching a pressure higher than 10 bar. In the event of a malfunction, the booster pump also has a safety valve that plays the same role.

Very often, for optimum performance, the average pressure of the booster pump is around 3 bar.

Where is the booster pump located?

Previously, the booster pump was located at the engine level. But the proliferation of induction motors has led to the displacement of this pump. It now mounts directly onto the fuel tank. 

🔧 How do you know if the booster pump is out of order?

When the booster pump is defective, fuel hardly reaches the injection pump and therefore the engine will be poorly supplied with fuel. This can lead to jerks, startup complexity, From untimely stops or, less commonly, noise from the tank.

These same symptoms can also be the result of poorly connected electrical wires or poor contact. In general, we can identify problems related to a malfunctioning booster pump when it whistles.

👨‍🔧 Why change the booster pump?

Although the booster pump has a relatively long lifespan and does not require no special maintenancethe electrical components that run it can wear out. In this case, the booster pump can no longer supply fuel to the engine correctly. 

Then your car will do its thing: unexpected stops, jerks, suspicious noises or difficulty starting. Booster pump necessary for the correct fuel supply engine and you have no choice but to replace it if it is defective.

💰 How much does the booster pump cost?

The booster pump price isabout 100 euros but on some models it can go up to 200 euros. The cost of labor will need to be added to the price of the part. Below is a price chart for some car models.

That's all, the booster pump has no secrets for you! As you understand, if it is defective, it must be changed immediately. Don't hesitate, go through our garage comparator to replace your booster pump at the best price!