6 Common Signs that Your Fuel Pump is Failing

Often referred to as the heart of your car, the engine is the key part that keeps your vehicle, up and running. However, similar to the blood in the body, fuel is the main component that keeps your engine running. The fuel that is pumped through the fuel pump, is responsible for injecting gasoline from the fuel tank into the engine of cars and trucks.

Interestingly, you cannot even start your car if it doesn’t have a working fuel pump. One of the most significant auto parts in an automobile, if you have a failing fuel pump, you cannot drive your car.

Today, a wide variety of cars are equipped with electrical fuel pumps that are installed over the fuel tanks. Similarly, a number of traditional engines come with an inline-styled pump. Due to its property, a failing fuel pump can lead to a significant problem over the effective functioning of your automobile.

Yes, we understand how risky the situation can become, when you face a failing fuel pump, while on a trip or on your way to important work. Therefore, have tried to come up with six such common signs that will help you identify the problems of a failing pump. Let’s get started.

Six Signs Of a Failing Pump

1. Your Engine Sputters at High Speeds

This is easily one of the most common indicators of a failing fuel pump. Do you notice your car sputtering suddenly, whenever you are driving it? If yes, then this is your engine pump giving warning signs. Even if your vehicle sputters for a second and is back to normal in an instant, don’t try to ignore the sputter as it is the warning of a failing engine.

Sputtering can be a common issue when your fuel pump fails to maintain a regular supply to the engine with an even pressured stream of fuel to engine with regular pressure. Now, one of the most common reasons here might be dirt or dust particles that have accumulated into the pipe or maybe some other damage.

2. Your Car starts to Lose Power when the Vehicle is under Stress

You put a lot of pressure on the accelerator when you are pushing it up the hill or carrying a heavy cargo with the engine. Now, when you are straining so much power via your engine, chances are that losing complete power from your engine might sound natural to you. However, it isn’t.

If you face such a drop in power while pulling a great load from your car, chances are that your fuel pump is too weak to keep up with the power demands of the car. Under such a situation, it is highly recommended that you consider replacing the fuel pump to avoid any major accident.

3. The Fuel Pressure is Decreasing

A failing fuel pump can also cause several other problems related to your vehicle. It can cause the car to lose fuel pressure, which can, in turn, cause engine misfires, decreased rate of acceleration, and even engine stalls or bumpy rides. Here, you can have a quick checkup of your car by looking at the engine light that is present in the odometer.

Whenever you are facing such a situation with your car, it is always advisable that you have a quick trip to your mechanic and run a quick check on the health of your engine and fuel pump. 

4. You are Unable to Accelerate at Times

When your car is facing irregularity in your car’s resistance, it could be a result of a failing fuel pump motor that can impact your car to slow down and accelerate inefficiently. Whenever you are driving a car and realize that it is failing to accelerate, it can be a good sign that your fuel pump is failing to provide the required juice to your engine.

5. Experiencing a Decreasing Mileage

Have you been facing a drop in your vehicle’s mileage lately? No, this isn’t due to the jams or continuous braking of your car. Chances are that your car’s fuel pump is unable to perform effectively, the result of which is a decreased mileage in the car.

The design of a fuel pump carries a relief valve, forcing it to pass more fuel than necessary, to maintain a streamlined flow in the engine. In the long run, this can be dangerous for your car.

6. The car has Freezed and is Unable to Start

Perhaps the most common sign of a failing fuel pump is your car refusing to start. Yes, this is what happens when you ignore all the warning signs that your car has been showing lately.

However, just to be sure that your engine has failed, ensure by checking the fuel in your pressure lines.


If you are experiencing any such things lately, reach out to the mechanic almost immediately! Similar to the fuel pump, there are many such important auto parts that you need to keep an idea of. Want to know more such tips? Make sure you check out Boodmo for more!

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