How To Quiet A Noisy Fuel Pump: Stop It Making Noise

Written by Michael Harris
Last updated

Do you have a noisy fuel pump? If so you know how frustrating it can be. It can be incredibly annoying, plus it might even be causing some problems with your engine. You might not even realize how bad it’s been until you fix it!

In this article, we’re going to discuss all the different causes and show you exactly how to quiet a noisy fuel pump We’ll also provide tips for preventing future noise problems. Let’s get started!

Facts about Types of Fuel Pumps

Fuel pumps are responsible for delivering gas from the tank to the engine to foster the movement of the vehicle. This part of the vehicle can either be the mechanical or electrical fuel pump.

The location of these two types of cars is quite different. The mechanical fuel pump is located on the engine block, and it tends to work like a piston.

It transports gas from the tank to the carburetor. The pump is quite common among old age car engines. On the other hand, the electric fuel pump ensures the engine gets the gas at a higher speed when compared to the mechanical fuel pump.

Modern technology is behind the invention of the electric fuel pump, which is located inside the engine. It uses a computerized system to foster gas delivery to the required point.

Therefore, the fuel pump, engine, and gas tank work hand on hand. Any damage to these parts will result in the total failure of the car in the long run.

Detecting failure on the fuel pump is quite accessible since it will result in weird sounds when starting the engine.

It is quite essential to note the cause of the whining and buzzing sounds of the fuel pump before thinking about how to stop the noisy fuel pump.

Reasons Why the Fuel Pump is Making Noise

There are several reasons for the malfunctioning fuel pump, and these reasons can even damage the other internal components of the vehicle. Let’s jump in now:

Low Fuel

This is usually considered to be the first reason behind the whining noise in your car. It is recommended to ensure the gas tank is either half or full.

Low fuel makes the engine to struggle when working. Therefore, make sure there is enough fuel. If the sound persists, then it could be something else.

Use of Contaminated Fuel

Another weird factor that can make your car produce grinding sounds, and this can even damage the normal functioning of the vehicle.

Detecting the sound is quite accessible since it usually commences immediately after filling the gas tank with contaminated fuel.

Damaged Fuel Pump

The factor usually results in debentures and punctures on the pump such that its efficiencies are reduced completely. Fixing the issue is quite easy, but you’ll be required to call on board a car mechanic for assistance.

Loss of Pressure

The noisy sound can also be brought about by a lack of adequate power from the pump. The vehicle engine will find it difficult to work correctly, but it can be restored only by replacing the entire system.

Entry of Impurities

The fuel pump is highly susceptible to entry of dirt, engine gunk, and other impurities that can deter the normal functioning of the vehicle.

These impurities make the vehicle engine to produce irritating sounds that might need the intervention of a car mechanics for correction.

The Best Way to Reduce Fuel Pump Noise

Fixing a fuel pump with issues is quite easy once you’ve spotted the cause of the problem. Here are some of the helpful tips on how to silent a noisy fuel pump:

Avoid having Low Gas

Low gas in the tank makes the gas pump to produce some irritating sounds. The sounds are an indication of the struggle to operate the engine.

The difficulty experienced may pose additional stress on the other internal car components causing further damage.

Therefore, it is recommended to fill up the gas tank to eliminate the funny noise and also prevent the occurrence of other damage on the internal parts.

Avoid Contaminated Fuels

Grinding sounds is an indication of contaminated fuel, and this might need an immediate fix by mechanics. Contaminated fuel occurs during transportation or storage where the fuel is mixed with water.

Starting the engine will also be difficult once your car is filled with contaminated fuel. It is advisable to turn off the engine and call a professional mechanic for fixing.

Also, inform the fuel provider about the issue. Some companies will opt to handle repair issues.

Fix Loss of Pressure

Loss pressure can be recognized when there is plenty of stalling and whining sounds from your car. However, the vehicle might continue to work, but you’ll need to fix the issue immediately.

Loss of pressure is usually caused by a weak pump, restricted fuel line, dirty fuel filters, and incorrect tank venting. It is advisable to check the fuel pump by use of fuel pump pressure tester to detect the issue before fixing it out.

Install a New Fuel Pump

The fuel pump is among the most overworked parts of the car, and they are highly susceptible to wear and tear. Worn out fuel pump tends to contribute to the noise in your vehicle.

Therefore, replacing the old fuel pump will help to eliminate the noise. The good news is that this part of the vehicle is quite affordable, and fixing it is also more comfortable than any other region.

Insulate the Fuel Pump

This is usually the last resort after trying out the above mentioned helpful tips, but your vehicle still produces whining sounds.

The use of vehicle soundproofing materials will help to cover the fuel pump then limit the production of the loud noise from the car.

Self-adhesive insulating mat is the most recommended since it has the capability of withstanding the high temperature.

The soundproofing material will stick on the fuel pump for long and help to get rid of the whining sounds.

Final Thoughts about a Noisy Fuel Pump

Fixing The noisy fuel pump is a common problem affecting many car owners, and the issues have raised a lot of concerns.

A lot of people have post questions on many forums and Facebook car groups complaining about the same issue.

Most of the car owners have opted for purchasing a new fuel pump for replacing the one making sound since it is considered to be the safest and easiest trick.

However, try the tips as mentioned above and save some amounts of bucks in the long run. The tips are proven, and they are considered to be effective.

Photo of author

About The Author

Hey I'm Michael and I run this website. I'm a professional voiceover artist and in my search to create a silent studio I've become obsessed with soundproofing and things being quiet. Thanks for visiting and if you have any question get in touch.