Maintenance Tips, Tricks And Hacks For Your Vehicle

Top 7 Best Fuel Tank Cleaning Products




The time has came for you to clean your fuel tank, but you are not sure which are the best fuel tank cleaning products.

Having a clean fuel tank is very important if you want your vehicle to last long. A dirty fuel tank can do a lot of damage to the fuel system and to the engine itself.

Your fuel filter is doing a great job at cleaning the fuel before it is sent to the fuel lines and up to the engine, but there is no part of the vehicle that is designed to clean the fuel tank. That task is on you to do.

The fuel system is a closed system, but it still gets dirty. How? Well, when you open the fuel cap to add fuel, if you leave your fuel tank open long enough, dirt and dust will find their way in and will contaminate the fuel. The dirt will settle on the bottom of the fuel tank and will stay there for a long time.

Then, there is rust. Over time, the metal fuel tank will get rusty. There is nothing you can do to prevent it, only to cure it.

Here are the best products that you can use to clean your fuel tank.

Key Takeaway

  • Fuel tank cleaning products are specially formulated solutions used to remove dirt, rust, sludge, and other contaminants from the fuel tank, thereby enhancing fuel efficiency and overall vehicle performance

What Are Fuel Tank Cleaning Products

Fuel tank cleaning products are specialized solutions designed to clean and maintain the fuel system of a vehicle.

They are formulated to remove impurities such as dirt, rust, sludge, and other contaminants that can accumulate in a fuel tank over time.

These impurities can impair the performance of the vehicle by clogging the fuel lines or affecting the combustion process in the engine.

Fuel tank cleaning products come in various forms, including liquids, gels, and kits. Some products are designed to be added directly to the fuel tank, where they mix with the fuel and clean the system as the vehicle operates.

Others are part of comprehensive cleaning kits that may require the fuel tank to be emptied and treated separately.

How to clean dirty fuel tank

Top 7 Best Fuel Tank Cleaning Products

1. Rust Remover By Evapo-Rust

Evapo-Rust: Unleash the Power of Non-Toxic, Eco-Friendly Rust Liberation for your vehicle!

  • Capable of removing even deep rust within a matter of hours, restoring your tools and equipment to their original condition.
  • It’s suitable for a variety of metals, not just iron and steel, expanding its use to a wide array of applications.
  • One gallon of Evapo-Rust can remove up to half a pound of rust, providing excellent value as it can be used multiple times until its potency fades.
Evapo-Rust ER012 Super Safe – 128 oz., Non Toxic Rust Remover for Auto Parts, Hardware, Antiques | Rust Removers and Chemicals

The rust remover is manufactured by a company called Evapo-Rust which is pretty known in its field. To get started, this fuel tank cleaner is environmentally-safe and it is a water-based rust remover. It removed rust within minutes, without the need to scrub or sand.

It is safe for the skin and eyes, but I would still recommend that you wear rubber gloves and safety glasses, just in case.

You can clean a fuel tank by removing it or without removing it. If removing the tank is not an option for you, no worries, there is a way to clean it.

This is one of the best fuel tank cleaning products.

Once you see which part of your fuel tank has rust in it, you can soak a rug with the fuel tank cleaner tie it with a shoelace or something, and just place the rug on top of the rust and leave it for a couple of minutes. After that just use the lace to remove the rug.

The best thing about this rust remover is that it is reusable. Once you pour it into your fuel tank and it does its job, you can reuse the liquid to clean your rusty tools, rims, and even pots and pans.


  • Environmentally-safe
  • Non-toxic
  • Reusable
  • Water-based
  • No need to scrub or sand


  • If the rust is really bad, you might need to apply it more than once.
u003cstrongu003eOur Rating: (4.7 / 5)u003c/strongu003e

See how you can clean your fuel tank without removing it.

2. Fuel System Cleaner by Star Tron

Star Tron Fuel System Cleaner: Your Ultimate Solution for Maximum Engine Performance and Fuel Efficiency!

  • Star Tron Fuel System Cleaner effectively removes tough deposits from fuel systems, cleaning injectors, carburetors, fuel pumps, valves, and rings.
  • It not only makes all engines start easily but also enhances their running smoothness, improving overall performance.
  • Star Tron breaks down excess water and sludge, allowing safe burn-off and preventing phase separation, effectively eliminating ethanol-related problems
STAR BRITE Star Tron Fuel Tank Cleaner - Remove Sludge, Varnish & Other Deposits - Rejuvanate Old, Stale Fuel - Concentrated Formula Works In Gas Tanks & Diesel Tanks - 128 OZ (093600N)

This product was manufactured by a company named Star Tron. Don’t worry if your vehicle uses gas or diesel because this fuel tank cleaner can be used on both diesel and gasoline fuel tanks.

It is safe to use on fuel tanks made from all materials, including polyurethane.

What’s best about this fuel tank cleaner is that you don’t have to remove your fuel tank in order to clean it. Just read the instructions and add the appropriate amount of the fuel tank cleaner into your fuel tank and drive your car. It will do the work for you.

The formula removes the sludge and other debris in the fuel tank, therefore, preventing contamination of the fuel. A single bottle can clean a fuel tank with a capacity of 500 gallons.

This fuel tank cleaner will also clean the fuel injectors and fuel lines. You just need to add 1 fl. oz for every 4 gallons of fuel.

This is a great fuel tank cleaner, especially for vehicles that haven’t been started in a long time.


  • Can be used for diesel and gasoline fuel tanks.
  • Removes sludge
  • Easy to use, just pour it into the tank and drive
  • Cleans fuel injectors
  • Cleans fuel lines
  • Great for cars that haven’t been started in years


  • It is not reusable
  • You might need to use it multiple times to get the wanted results
u003cstrongu003eOur Rating: (4.6 / 5)u003c/strongu003e

3. Fuel Tank Cleaner by Red Line

Red Line Fuel Tank Cleaner: Unleashing the Power of Deep Cleaning and Superior Performance for Your Fuel System!

  • Red Line’s Fuel Tank Cleaner penetrates and dissolves tough deposits that can starve your engine of fuel and lead to reduced performance.
  • By cleaning the fuel system, it helps to restore lost power and improve fuel economy, giving your vehicle a noticeable performance boost.
  • It also acts as a corrosion inhibitor, protecting your fuel system from rust and corrosion, thereby prolonging its lifespan.
Red Line 60103 SI-1 Complete Fuel System Cleaner - 15 Ounce (12 Pack)

This fuel system cleaner is made by a company named Red Line. They are a company that manufactures over 100 quality products.

It is used as an additive for gas fuel tanks only for vehicles, motorcycles, boats, and everything that uses gas.

Some might say this is the best-performing fuel system cleaner available today.

This fuel tank cleaner will clean your fuel systems and will prevent corrosion in the fuel lines and tank. You just have to pour it into the fuel tank and drive. It will clean the fuel injections and fuel line, leaving no debris.

Pouring this fuel tank cleaner into the fuel tank will not increase fuel consumption.

For the best effect, pour one bottle per tank.


  • Easy to use
  • Cleans fuel lines
  • Cleans fuel injectors
  • One bottle per tank


  • Used only for gas fuel tanks
  • Works excellent, but a little bit pricey
u003cstrongu003eOur Rating: (4.9 / 5)u003c/strongu003e

4. Fuel Tank Cleaner by Quicksilver

The Powerhouse of Fuel System Cleanliness and Efficiency!

  • Quicksilver Fuel Tank Cleaner effectively removes carbon deposits from carburetors, injectors, and fuel systems, ensuring smooth engine operation.
  • It’s designed for use with all grades of gasoline and ethanol-blend fuel, making it a versatile addition to your maintenance routine.
  • Regular use can help maintain peak engine performance and reduce the risk of costly repairs.
Quicksilver 8M0058681 Quickleen Engine and Fuel System Cleaner, 32 Oz.

The manufacturer of this fuel tank cleaner is a company named Quicksilver.

Can be used on both gasoline and diesel fuel tanks.

It will maximize your engine performance by removing carbon deposits.

The great thing about this fuel tank cleaner is that it will clean your fuel tank, fuel lines, fuel injectors, cylinder heads, and injectors.

It will also clean your spark plugs and extend their lifespan.

The only bad thing people are saying about this fuel tank cleaner is the way the container is made. It is impossible to pour it into the fuel tank without spilling it on the ground. So, you might need to be careful about that. you don’t want to pour it on the ground.

I consider this one also one of the best fuel tank cleaning products.


  • Cleans the entire fuel system
  • Extends spark plug life
  • Removes carbon deposits
  • Maximizes engine performance


  • It is a little bit hard to pour from the container directly into the fuel tank without spilling
u003cstrongu003eOur Rating: (4.5 / 5)u003c/strongu003e

5. Best Value: Tank Cleaner by Lucas Oil

Lucas Oil Tank Cleaner: Unleashing the Full Potential of Your Fuel System!

  • Lucas Oil Tank Cleaner penetrates deep into your fuel system, removing harmful deposits and improving overall engine performance.
  • It’s formulated for both gasoline and diesel engines, whether carbureted or fuel-injected.
  • The powerful blend of additives in Lucas Oil products not only improves power and fuel mileage but also lowers exhaust emissions.
Lucas Oil 10512 Deep Clean Fuel System Cleaner - 16 Ounce

This product is manufactured by a company called Lucas Oil which is known for its heavy-duty products.

One container (6 ounces) treats up to 20 gallons. But you don’t have to have 20 gallons in your fuel tank in order to use this fuel tank cleaner. If you have 10 gallons in your tank, just pour half of it.

This fuel tank cleaner will remove carbon deposits and will reduce harmful NOx emissions. If your car can’t pass the emissions test, here is how you can get your car to pass the emissions test.

If you have an issue with acceleration or your car is jerking at idle, your fuel system might be clogged. This deep cleaner can help you with that.

This might not be one of the best fuel tank cleaning products but is most definitely in the top 5.


  • Reduces harmful NOx emissions
  • Deep Clean
  • Cleans fuel lines
  • Cleans fuel tank
  • Removes carbon residue


  • One container treats up to 20 gallons
u003cstrongu003eOur Rating: (4.5 / 5)u003c/strongu003e

6. Editor’s Pick: Fuel Tank Cleaner by Star Tron Enzyme

Star Tron Enzyme Fuel Tank Cleaner: The Power of Enzymes Unleashed for a Superior Fuel System!

  • Star Tron’s revolutionary enzyme-based formula offers an efficient alternative to expensive fuel polishing and tank cleaning.
  • It’s excellent for cleaning sludge and other fuel contaminants from both gasoline and diesel tanks.
  • Star Tron not only increases fuel economy but also reduces emissions, providing a more eco-friendly solution.
STAR BRITE Star Tron Enzyme Fuel Treatment, Small Engine Formula, 8 Fl Oz – Treats up to 48 Gals – Gas Additive Rejuvenates & Stabilizes Old Gasoline, Cures & Prevents Ethanol Problems (14308) , Blue

This fuel tank cleaner can rejuvenate old sub-spec gas and is particularly good at making small gas engines easier to start.

One container weighs 8.6 ounces and can treat up to 48 gallons.

If your fuel contains excess water and sludge, it will be broken down by this fuel tank cleaner and will be burned away during normal operation.

The fuel tank cleaner also helps prevent oxidation and is ideal for outdoor power equipment. The tiny bottles are easy to store.


  • Makes engines start faster
  • Increased engine performance
  • Prevents fuel problems
  • Cleans fuel lines


  • Used only on gas fuel tanks
u003cstrongu003eOur Rating: (4.8 / 5)u003c/strongu003e

7. High-Quality: Fuel System Cleaner by Quicksilver

Quicksilver Fuel System Cleaner: Unleashing Peak Performance for Your Engine!

  • Quicksilver Fuel System Cleaner helps maximize engine performance with all grades of gasoline.
  • It is safe for catalyzed engines, ensuring enhanced performance without compromising the system’s integrity.
  • It helps control corrosion and gum and varnish build-up, extending the life of your fuel system and engine.
Quicksilver 8M0047921 Quickleen Engine & Fuel System Cleaner, 12 Oz.

Made by a company called Quicksilver.

This fuel tank works on all grades of gasoline fuel tanks. Removes the carbon residue in the fuel lines, spark plugs, injectors, and cylinder heads thus increasing engine performance.

This product is used as an additive, which means you just have to pour it into the fuel tank. You don’t need to remove your fuel tank to clean it.

This fuel tank cleaner can be used on all 2 and 4-cycle carbureted and fuel-injected gasoline engines on vehicles, motorcycles, boats, etc.

One container weighs 12 ounces and can treat up to 5 gallons of gasoline. You can use this additive multiple times.


  • Works on all gasoline fuel tanks
  • Works for vehicles, boats, lawnmowers, and more
  • Extends spark plug lifespan
  • Cleans carbon residue


  • Packaging is not great
u003cstrongu003eOur Rating: (4.8 / 5)u003c/strongu003e

Signs That Your Car Needs a Fuel System Cleaning

  • Decreased fuel efficiency or poor gas mileage
  • Difficulty starting the engine
  • Unstable, rough, or shaky idling
  • Sluggish acceleration or power loss
  • Engine misfiring
  • Check engine light is on
  • Sudden changes in the vehicle’s performance
  • Pungent fuel odor
  • Increased emissions or failing an emissions test
  • Unusual engine noises

How Often Should You Clean The Fuel System

The frequency of fuel system cleaning can depend on several factors, including the type of vehicle, the quality of fuel used, and driving conditions. Some mechanics recommend cleaning the fuel system every 15,000 to 30,000 miles, while others suggest doing it every 60,000 to 90,000 miles.

However, if you’re noticing signs of a dirty fuel system – such as decreased fuel efficiency, difficulty starting the car, rough idling, or the check engine light coming on – it may be worth considering a fuel system cleaning regardless of when it was last done.

Is a Fuel System Cleaning Necessary?

Fuel system cleaning is generally considered a necessary part of regular vehicle maintenance. Over time, deposits and contaminants can build up in the fuel system, which can affect the performance and efficiency of the engine. These deposits can come from the fuel itself or external factors like dirt and rust.

A clean fuel system allows for optimal fuel flow, efficient combustion, and, consequently, better overall performance. It can help improve fuel efficiency, increase power, reduce emissions, and prevent problems such as rough idling, stalling, and hesitation.

Do Fuel System Cleaners Work?

Yes, fuel system cleaners do work when used correctly and regularly. They are formulated with cleaning agents and additives that can dissolve and remove deposits in the fuel system, including the fuel injectors, intake valves, and combustion chambers.

Fuel system cleaners can help restore optimal fuel flow, leading to more efficient combustion, improved fuel economy, and better overall performance. They can also help prevent future deposit build-up, especially when used regularly as part of a vehicle maintenance routine.


Q: Can I use fuel additives as a substitute for fuel tank cleaning products?

A: Fuel additives can help maintain the cleanliness of your fuel system, but they are not a substitute for using dedicated fuel tank cleaning products.

Q: How do fuel tank cleaning products work?

A: Fuel tank cleaning products typically contain detergents and chemicals that help dissolve and remove dirt, grime, and deposits from the fuel tank and fuel system components.

Q: Are fuel tank cleaning products safe to use?

A: Yes, when used as directed, fuel tank cleaning products are safe to use. However, it is important to use them in a well-ventilated area and keep them away from open flames or sparks.

Q: Can fuel tank cleaning products improve fuel efficiency?

A: Yes, by removing deposits and contaminants from the fuel system, fuel tank cleaning products can improve fuel efficiency and restore engine performance.

Q: Do fuel tank cleaning products help reduce emissions?

A: Yes, fuel tank cleaning products can help reduce emissions by ensuring proper fuel combustion and minimizing the build-up of harmful deposits in the fuel system.

Q: Can I use fuel tank cleaning products for diesel engines?

A: Yes, there are fuel tank cleaning products specifically designed for diesel engines. Make sure to choose a product that is compatible with your engine type.

Q: Are there any specific instructions for using fuel tank cleaning products?

A: Each fuel tank cleaning product may have specific instructions provided by the manufacturer. It is important to read and follow these instructions carefully for optimal results.

Q: Where can I purchase fuel tank cleaning products?

A: Fuel tank cleaning products are available at automotive supply stores, online retailers, and some gas stations.

In Conclusion

The best fuel tank cleaning products are those that effectively remove contaminants and deposits from your vehicle’s fuel system.

These products not only clean but also help in maintaining the performance and longevity of your vehicle’s fuel system.

It’s important to choose a product that suits your specific needs and always follow the manufacturer’s instructions for the best results.



Vide Polowenski, Senior Mechanic

The information in this article is current and up-to-date in accordance with the latest mechanic SOPs.

Please take the time to leave a comment if this article has helped you in any way, you need additional help, or you have a suggestion.

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