Best Fuel Additive To Clean Spark Plugs in 2022 (TOP15)

Sometimes it might be quite difficult to find the best fuel additive to clean spark plugs. With every niche market offering so many different products, it makes sense that this is the case.

Unfortunately, this very fact can make it incredibly difficult to find the item that best suits your needs, which is why we’ve put together this fuel additive to clean spark plugs buying guide.

Our Top 15 Picks:

15 Best Fuel Additive To Clean Spark Plugs Reviews:

Bestseller No. 1
STAR BRITE Star Tron Ring Clean Plus Deposit Control - Gasoline Stabilizer + Fuel Injector Cleaner - 16 OZ (095616)
  • Improves fuel combustibility to keep engines clean and operating at peak performance levels
  • Ideal for removing deposits caused by regular gas and ethanol-blends
  • Keeps carburetors, fuel injectors, intake ports and combustion chambers clean
  • Works in all gas engines
  • Treats up to 160 gallons (600 liters) of gasoline
Bestseller No. 2
STA-BIL Fast Fix - Small Engine Treatment, Cleans Carburetors and Injectors, Fixes Rough Running Engines, Eliminates Water, Treats Up to 20 Gallons, 8oz (22304) , Green
  • FIXES ROUGH RUNNING ENGINES – STA-BIL Fast Fix eats away at gum and varnish that cause rough starts and no starts in your small engine equipment. This easy-to-use fuel additive combats the effects of ethanol blended gasoline.
  • ELIMINATES WATER – This fuel injector cleaner helps to remove water that may get into your fuel system. Penetrating deep into the fuel line, this simple fuel additive prevents the need to disassemble the engine. The 8 oz. bottle of this alcohol-free fuel additive treats up to 20 gallons of fuel.
  • VERSATILE – Compatible with all small engines, adding STA-BIL Fast Fix to your 2-cycle or 4-cycle small engine cleans carburetors and injectors while acting as a water remover. Use this product in your lawn mower, chainsaw, trimmer, snow blower, generator, and more.
  • DIRECTIONS – For rough running engines use 1 oz. of STA-BIL Fast Fix per 2.5 gallons of fuel. Fill with fresh gas. Start the engine and allow to run for 15 minutes to allow the additive to work its way through the fuel system. If the engine does not start, attempt to turn it over a few times so the additive makes its way through the fuel system and allow to sit overnight. Attempt to start again, if problems persist you may need to have it looked at by a mechanic.
  • SHELF LIFE – All STA-BIL branded products are good for use up to 2 years after the bottle was opened. Be sure to mark the date you opened the bottle on the back of your package! Proudly made in the USA by a family-owned company in Chicago, Illinois.
SaleBestseller No. 3
Red Line (60103) Complete SI-1 Fuel System Cleaner - Gas and Injector Additive Treatment - 15 Oz Bottle
  • DESIGNED TO EXCEED EXPECTATIONS: Red Line complete SI-1 fuel system cleaner treatment for cleaning and preventing corrosion in fuel systems
  • PERFORM AND PROTECT: Fuel additive cleans injectors, carburetors, valve and combustion chamber deposits with a powerful, concentrated blend of high-temp and low-temp detergents
  • EFFICIENT FUEL BURN: Gas treatment that enhances gasoline stability, while reducing the build up of gum and varnish formation
  • EASY TO USE: Use one bottle per tank for most effective treatment, additive cleans nearly 100% efficiency in one treatment
SaleBestseller No. 4
Rislone Hy-per Fuel Complete Fuel System Cleaner Gas
  • Six in one: equal to a bottle of regular injector & complete fuel system cleaner, upper cylinder lubricant, fuel stabilizer and conditioner, dry gas, gas treatment and octane booster
  • Increase power and performance: boosts octane, power, performance and mileage, stabilizes gas, lubricates and protects
  • Save gas: cleans and lubricates the complete fuel system; engine dynamometer tests show improved fuel economy
  • Run smoother: helps eliminate noisy injectors and fuel pumps, rough idle, hard starting and hesitation; regular use provides reduced fuel system and emission control repairs.
  • EPA registered: will not void manufacturer’s new vehicle warranty and safe to use on vehicles with oxygen sensors and catalytic converters; exceeds epa compliance performance criteria and is epa registered
SaleBestseller No. 5
Chevron Techron Concentrate Plus Fuel System Cleaner - 20 oz.
  • Cleans, restores, protects the entire fuel system (fuel injectors, carburetors, intake valves and combustion chambers)
  • Restores: Lost power, acceleration, lost fuel economy, and operation of the fuel gauge sensor
  • Reduces: Rough idle, engine surge, hesitation, and spark plus fouling
  • Improves: Cold start performance, and fuel stability for up to one year
SaleBestseller No. 6
Lucas Oil LUC10020 Fuel Treatment - 5.25 Oz, Multi-Colored
  • The product is 5, 25 oz, fuel treatment, for gasoline lpg and diesel fuel, contains no alcohol/solvents/kerosene/diesel fuel, lubricates rings and cylinder walls for longer life, increases mileage, cleans and lubricates valves, pumps, carburetors, and injectors
  • Easy and simple use kit
  • Increases power and miles per gallon by burning excess exhaust emissions
  • Increases the life of pumps and injectors
  • Cleans and lubricates the fuel system
Bestseller No. 7
High Mileage Fuel Injector Cleaner and Carburetor Cleaner Treatment, Bottled Lubricant for Upper Cylinder, 5.25 Oz, 2 Count, STP
  • Two 5.25 fl oz bottles of STP High Mileage Fuel Injector & Carburetor Cleaner Treatment
  • Fuel treatment additives help remove deposit buildups to save gas
  • Friction modifier in the fuel additive combats upper cylinder friction
  • STP fuel injector cleaner can help prevent hard stops, lost acceleration and rough idling for improved performance
  • Jet fuel serves as the carrier for the active ingredients, creating a high-quality additive for easy auto care
SaleBestseller No. 8
STA-BIL 360 Protection Ethanol Treatment And Fuel Stabilizer - Prevents Corrosion - Prevents Ethanol Damage - Cleans Entire Fuel System - Treats 50 Gallons, 10 fl. oz. (22264)
  • America's #1 Ethanol Treatment
  • Prevents corrosion caused by ethanol blended fuels
  • Increases engine power and efficiency
  • Effective in ethanol and non-ethanol blended fuels
  • Engineered for year round usage.
Bestseller No. 9
STA-BIL Storage Fuel Stabilizer - Guaranteed To Keep Fuel Fresh Fuel Up To Two Years - Effective In All Gasoline Including All Ethanol Blended Fuels - For Quick, Easy Starts, 4 fl. oz. (22205) , Red
  • Keeps fuel fresh for up to 24 months during storage
  • Eliminates the need to drain fuel prior to storage
  • Ensures quick, easy starts after storage
  • Prevents gum and varnish build-up
  • Effective in all gasoline, including Ethanol blends
Bestseller No. 10
STA-BIL Diesel Winter Ant-Gel - Prevents Fuel Gelling Down to -40 Degrees Fahrenheit - Cleans Injectors - Treats 250 Gallons of Diesel Fuel, 32 fl. oz. (15215)
  • Will prevent gelling down to -40° Fahrenheit
  • Removes water to help prevent corrosion
  • Lowers the cold filter plugging point as much as 36 degrees
  • Treats 250 gallons
  • Cleans Injectors
Bestseller No. 11
Quicksilver 8M0047921 Quickleen Engine & Fuel System Cleaner, 12 Oz - for All Grades of Gas and Ethanol Blends
  • Gas treatment and injector cleaner for use with all grades of gasoline and ethanol-blend fuel
  • Quickly and thoroughly removes carbon deposits from carburetors, injectors, intake valves, spark plugs, piston crowns and cylinder heads
  • Prevents engine knocking and piston seize-up
  • Extends spark plug life
  • Can be used at every fuel tank fill-up. One ounce treats five gallons of gasoline
Bestseller No. 12
STAR BRITE Star Tron Enzyme Fuel Treatment SEF Gasoline Formula - 1 oz. Treats 6 Gallons - 8 OZ (14308)
  • Makes engines start easily and run smoothly; improves MPG and reduces emissions
  • Stabilizes fuel for up to 2 years and can help rejuvenate old, sub-spec fuel
  • Cures and prevents ethanol fuel problems; helps prevent phase separation
  • Cleans valves & injectors of carbon deposits, gums and varnish
  • Small Engine Formula 14308 is safe for use in all engines (including 2-cycle pre-mix)
Bestseller No. 13
Bar's Leaks High Mileage Engine Repair, 16.9 oz
  • Increases Oil Pressure
  • Reduces Friction
  • Helps Clean Internal Parts
  • Quiets Noise
Bestseller No. 14
Gumout 510013 High Mileage Fuel Injector Cleaner, 6 oz. (Pack of 6)
  • The more an engine is driven, the more carbon deposits can build up on fuel injectors, intake valves and ports
  • Gumout High Mileage Fuel Injector Cleaner is specially formulated to remove carbon deposits from engines with more than 75,000 miles
  • Cleans fuel injectors, intake valves and ports to restore performance, fuel economy and prevents future carbon build-up, which reduces emissions
  • Oxygen sensor safe and safe for use in turbocharged and supercharged vehicles
  • Recommended use every 3,000 miles and will not void OEM/manufacturer’s warranty
Bestseller No. 15
Liqui Moly 2037 Pro-Line Engine Flush
  • Easy way to clean and flush the oil systems of gasoline and diesel engines
  • Gentle and rapid cleaning
  • Neutral to seals and other materials installed in the engine
  • Compatible with catalytic converters
  • Simple to use

Last update on 2022-12-09 / Affiliate links / Images from Amazon Product Advertising API

How to find the best fuel additive to clean spark plugs?

Here, we’ll be going over a number of factors that you can use to ensure that you’re purchasing the best fuel additive to clean spark plugs for you.

Regardless of which type of item you’re looking to buy, chances are that there are existing buying guides on the internet, all of which aim to give you good fuel additive to clean spark plugs recommendations.

Despite these recommendations, however, it’s always a good idea to do your own research. In addition to this research, asking yourself the following questions is also super helpful:

  • What features does the fuel additive to clean spark plugs need to have to be perfect for my needs?
  • What is my budget?
  • Do I need to purchase a certain brand?

Once you’ve answered these questions and have a good idea of what you’re looking for and the buying process becomes much easier. Keep in mind that when looking for the best product, there’s no need to rush. In fact, very rarely are the ideal products found by choosing the first one you see or by basing your decisions on only one factor. Take your time and enjoy the process!

Now, with the answers to the previous questions in mind, we urge you to use our upcoming buying guide for fuel additive to clean spark plugs to find what you’re looking for:

Brand

In some cases, the brand of fuel additive to clean spark plugs is very important. For example, if you’re looking for an item that works in tandem with another, you might very well need both products to be the same brand. If this is the case, it’s vital to pay attention to this factor, as choosing the wrong product can mean the difference between wasting your money and buying a great product that functions as it should.

Features

The features in any given fuel additive to clean spark plugs are important because they can dictate which version of an item you need and how much money you need to spend. Consider all the key features that you want your item to have and don’t settle for anything that doesn’t check at least ¾ of your boxes.

Reviews

Customer reviews about fuel additive to clean spark plugs are crucial – especially when you’re buying a product that costs a lot of money or serves a big importance. Luckily, most products can be found online, which means that it’s common for there to be scores of customer reviews from those who have already purchased any given product.

Pay attention to these reviews. Take note of the pros and cons that they mention, and factor these into your big decision. In some cases, you’ll be forced to sacrifice one con in order to gain a particular pro, but being aware of the potential con is going to be beneficial in either case.

Quality

Of course, quality is key. You don’t want to purchase a low-quality product. If you do, you run the risk of your item breaking, not working properly, or otherwise proving to be very disappointing, as well as a waste of money.

You can compare fuel additive to clean spark plugs quality by researching what your potential purchases are made from, contrasting the individual items against each other to discern which one is made of the best materials.

Warranty

Warranty isn’t always going to be important, but it definitely can be. This is especially true if the item in question is tech-related or expensive. A good warranty will be valid for an extended time after purchase and cover a variety of problems ranging from item defects to random accidents, water damage, and other miscellaneous events that could ruin your product.

Conclusion

The quest to find the best fuel additive to clean spark plugs can be daunting – but it doesn’t have to be. It can be made much easier by asking yourself a few simple questions and then thinking critically about the items you want to buy. Consider their features, quality, brand, warranty, and customer reviews and you’re more likely to make a great purchase.