The Best Fuel Injector Cleaners

Fuel injector cleaner is a must-have for anyone who wants to improve their vehicle’s performance, and offers a relatively inexpensive way to clean and maintain a vehicle’s fuel system. Regularly adding fuel injector cleaner to your vehicle’s gas tank can solve many common problems such as hard starts, low gas mileage, stalling, and more. For those who enjoy working on cars, this sort of maintenance is a no-brainer. Additionally, we’ve also reviewed other car maintenance essentials like the best spark plugs and the best car batteries to keep your vehicle running in peak condition.

Finding the best fuel injector cleaner for your vehicle means reading reviews, studying product features, and diving into the ins and outs of available blends and configurations. With the right fuel injector cleaner, keeping your vehicle running in tip top condition can become a quick, over-and-done with task.

We reviewed dozens of fuel injector cleaners to identify the best of the best, based on Amazon reviews, how well they performed in tests, cost, and other considerations. We narrowed our search down to 5 of the top-rated fuel injector cleaners vehicle owners can purchase to ensure a smooth running ride.

Top Pick
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Chevron Techron Concentrate Plus Fuel System Cleaner

Cleans, restores, and protects the entire fuel system.

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$15.74 USD

We’ve identified Chevron Techron Concentrate Plus Fuel System Cleaner as the best fuel injector cleaner out there. With a concentrated formula that cleans, restores, and protects the entire fuel system, this fuel injector cleaner is one that will keep your vehicle running in tip top shape. These benefits allow you to enjoy your vehicle longer, and with less costly repairs.

The 5 Top-Rated Fuel Injector Cleaners

Editor's PicksBrandRating
Best OverallChevron Techron Concentrate Plus Fuel System Cleaner4.5
Runner UpRoyal Purple Max-Clean Fuel System Cleaner and Stabilizer4.4
Best Budget BuyChevron Techron Fuel Injection Cleaner3.8
Best Fuel Conditioning AgentLucas LUC10013 10013 Fuel Treatment4.7
Best Diesel-Compatible Fuel Injector CleanerHot Shot's Secret P040432Z Diesel Extreme4.3

*Ratings are from Amazon at the time of publication and can change

Our Top Pick: Chevron Techron Concentrate Plus Fuel System Cleaner

Chevron Techron Concentrate Plus Fuel System Cleaner took the top spot on our list of the best fuel injector cleaners thanks to its concentrated formula that cleans, restores, and protects the entire fuel system. It is recommended to use every 3,000 miles, and provides up to a year of fuel stabilization with a single treatment. It is also suitable for use with other gasoline-powered engines, such as those on RVs, lawn mowers, and boats.

Those who purchased and reviewed this fuel injector cleaner appreciated that it cleaned the fuel system as expected, even on vehicles that hadn’t been driven in some time. People said they saw noticeable power and fuel efficiency improvements after just a single use of this treatment.  

With a price tag of around $16 for a 20 oz bottle, it’s not the cheapest fuel injector cleaner out there, but the quality craftsmanship associated with the brand, as well as the ease of use more than justifies that price. It has a rating of 4.5 on Amazon with nearly 1,000 people reviewing it, which we think goes a long way in convincing vehicle owners to make the investment.

Chevron Techron Concentrate Plus Fuel System Cleaner Key Features:

  • Helps to reduce engine knock, ping, run-on, and cold start problems
  • Cleans deposits from fuel injectors, carburetors, ports, and valves
  • Patented fuel additive technology trusted by mechanics and automobile manufacturers

Our Runner Up Pick: Royal Purple Max-Clean Fuel System Cleaner and Stabilizer  

Runner Up
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Royal Purple Max-Clean Fuel System Cleaner and Stabilizer

Helps keep new engines clean and improves vehicle’s performance.

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$17.67 USD

Royal Purple Max-Clean Fuel System Cleaner and Stabilizer took the runner-up spot on our list of the best fuel injector cleaners, and is suitable for use in both gasoline and diesel engines. It is recommended for all ethanol blends, and is also ideal for both 2- and 4-stroke motors. Each container is suitable for treating up to 20 gallons of fuel, and is both EPA and CARB compliant.

Those who purchased and reviewed this fuel injector cleaner appreciated that it was easy to use and provided noticeable improvement in just a single ride. People used it for both maintenance and when problems popped up, and found fuel mileage and vehicle power was drastically improved.

At a cost of about $24 for a 20 oz bottle, it doesn’t come cheap, but the quality craftsmanship associated with the brand, as well as the ease of use more than justifies that price. It has a rating of 4.4 on Amazon with more than 700 people reviewing it, which we think goes a long way in convincing vehicle owners to make the investment.

Royal Purple Max-Clean Fuel System Cleaner and Stabilizer Key Features:

  • Available in a choice of sizes
  • Made in the USA
  • Helps prevent rough idle, hesitation, and stalling

Best Budget Pick: Chevron Techron Fuel Injection Cleaner

Best for Budget
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Chevron Techron Fuel Injection Cleaner

A budget-friendly option that gets the job done.

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$4.39 USD

Chevron Techron Fuel Injection Cleaner is a solid choice for those looking for a fuel injector cleaner that won’t break the bank. It’s not as concentrated as our top pick, but still gets the job done. It is recommended for use every 1,000 miles in order to help resolve and prevent fuel injector deposit build-up problems. It also helps to remove water from the fuel system in order to help prevent gas line freeze.

Those who purchased and reviewed this fuel injector cleaner appreciated that the container neck easily fit into the fuel filler hole, and several people said that they noticed improved fuel efficiency after just a single treatment.

At a cost of approximately $5 for a 12 oz bottle, this fuel injector cleaner is a solid choice for those looking for a fuel injector cleaner option on a budget. It has a rating of 3.8 on Amazon with nearly 50 people reviewing it, which we think goes a long way in convincing vehicle owners that this budget-friendly pick is just as good at keeping their vehicle running smoothly as its more expensive counterparts.

Chevron Techron Fuel Injection Cleaner Key Features:

  • Each bottle treats up to 12 gallons of fuel
  • Suitable for use with any gas-powered engine
  • Suitable for use in two-stroke engines

Best Fuel Conditioning Agent: Lucas LUC10013 10013 Fuel Treatment

Best Fuel Conditioning Agent
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Lucas LUC10013 10013 Fuel Treatment

Neutralize poor quality fuel while improving performance.

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$23.99 USD

The Lucas LUC10013 10013 Fuel Treatment is one of the best fuel conditioning agents available on the market, and boasts a unique blend that helps to clean and lubricate the entire fuel system. Each 1-gallon jug treats up to 400 gallons of fuel, and helps to neutralize low sulfur fuel problems. It is suitable to use in both gasoline and diesel engines, carbureted or fuel injected. It is especially effective in vehicles that require leaded fuel, and can even be used in non-road, locomotive, and marine diesel equipment engines.

Those who purchased and reviewed this fuel injector cleaner noticed that it improved their fuel efficiency, and helped to prevent wear on components. People liked that it could be used with both gas and diesel engines, but recommend adding it very carefully as it is hard to remove from vehicle upholstery.

With a price tag of around $50 for each 1-gallon jug, it’s not outrageously priced, but the quality craftsmanship associated with the brand, as well as the ease of use more than justifies that price. It has a rating of 4.7 on Amazon with nearly 1,000 people reviewing it, which we think goes a long way in convincing gear heads to make the investment.

Lucas LUC10013 10013 Fuel Treatment Key Features:

  • Made in the USA
  • Helps to Increase the life of pumps and injectors
  • Burns excess exhaust emissions for increased power and mileage

Best Diesel-Compatible Fuel Injector Cleaner: Hot Shot’s Secret P040432Z Diesel Extreme

Best Diesel-Compatible Fuel Injector Cleaner
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Eliminate black smoke and improve cold starts in diesel-powered engines.

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$18.95 USD

Hot Shot’s Secret P040432Z Diesel Extreme is the best choice for those who need a diesel-compatible fuel injector cleaner, with each bottle treating up to 80 gallons of fuel. It works to effectively clean cylinders, fuel lines, and tanks, while dispersing moisture for increased mileage and diesel fuel lubricity.

Those who purchased and reviewed this fuel injector cleaner appreciated that it offered diesel-specific performance that wasn’t outrageously priced. Even those with extremely high mileage vehicles found they had improved fuel efficiency and fewer cold starts after using this product. People appreciated that it could be used with all types of diesel fuel, including ecodiesel.

At a cost of $38 for a 32 oz bottle, it’s about average as far as the cost of fuel injector cleaners go, but the quality craftsmanship associated with the brand, as well as the ease of use more than justifies that price. It has a rating of 4.3 on Amazon with more than 100 people reviewing it, which we think goes a long way in convincing vehicle owners to make the investment.

Hot Shot’s Secret P040432Z Diesel Extreme Key Features:

  • Helps boosts cetane up to 7 points
  • Available in a choice of sizes
  • Official fuel additive of the NHRDA

Who Should Buy a Fuel Injector Cleaner

A fuel injector cleaner is an ideal choice for anyone with a vehicle, but especially those who are noticing performance issues such as poor fuel mileage, cold starts, and engine knocking and pinging. It is important to clean and maintain your fuel injectors on a regular basis in order to prevent issues and maintain optimal vehicle performance.

You don’t require any vehicle knowledge in order to use a fuel injector cleaner, which makes is suitable for anyone to treat their vehicle themselves.

While a fuel injector cleaner can help to resolve noticeable performance issues as they crop up, even just using a fuel injector treatment cleaner once or twice a year can help to clean your fuel system and lubricate the parts within it for improved longevity. Residue and substances like rust can settle on your injectors, especially if your vehicle overheats or isn’t serviced at regular intervals. The best way to remove that gunk is to use a fuel injector cleaner regularly.

Top Pick
Buy Now
Chevron Techron Concentrate Plus Fuel System Cleaner

Cleans, restores, and protects the entire fuel system.

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$15.74 USD

Important Features to Consider

Not all fuel injector cleaners are created equal. A fuel injector cleaner should be compatible with your fuel source and engine type, while providing noticeable improvements to your vehicle performance. Here’s what to consider when evaluating the options in search of the best fuel injector cleaner for your vehicle:

  • Fuel type. The most important factor to consider when it comes to buying a fuel injector cleaner is the type of fuel your vehicle uses. Always read and follow the labels to ensure you have the right fuel injector cleaner. Diesel engines will require a different blend of ingredients than gasoline-powered engines, and not all fuel injector cleaners are compatible with both. Some fuel injector cleaners are also only compatible with 4-stroke engines, and some will also treat 2-stroke engines.
  • Size. Once you’ve determined which type of fuel injector cleaner you need, the next most important consideration is the size of the treatment you require. Some formulas are highly concentrated, while others offer a standard concentration. Each bottle will treat a different amount of fuel, so it’s important to find a product that will work for your fuel needs.
  • Other additives. Some fuel injector cleaners contain conditioning agents in addition to the cleaners. This can help to lubricate your entire fuel system, in addition to cleaning the injectors. Some formulas can also help to eliminate water from the fuel system.
  • Price point. Finally, consider how much you are willing to spend on a fuel injector cleaner. Fuel injector cleaners vary in price from $5-$60 per bottle or more. You can sometimes save on fuel injector cleaner if you buy in bulk and measure out your required treatment.   

Frequently Asked Questions  

What is a fuel injector cleaner and how does it work?

Fuel injector cleaner is an additive that is put into your gas tank, and then runs through the fuel system of your vehicle in order to clean, restore, and protect the entire fuel system. The specialized blend of chemicals works to clean buildup from fuel injectors, carburetors, ports, and valves, in order to improve power and fuel efficiency. It also helps to lubricate moving parts, and reduce water buildup within the fuel system.

How often should you use a fuel injector cleaner?

Each fuel injector cleaner will have its own recommended usage schedule, so always read and follow labels for the best results. Generally speaking, if you are looking to maintain your vehicle while improving mileage, using a low dose of fuel injector cleaner with each tank of gas is helpful. If you are noticing minor performance issues, then you can use a stronger fuel injector cleaner on a less frequent basis to help solve any problems. If your fuel injectors are completely clogged or you’re noticing more serious performance issues, then using a large dose of a concentrated fuel injector cleaner as needed can help remedy your problems.

How long does it take for fuel injector cleaner to work?

Fuel injector cleaners take at least 100 miles worth of driving, and up to two tanks of gas in order to work completely. The cleaner needs time to make its way through the system and break down and remove any buildup from the fuel injectors.  

How do I know if my fuel injectors are clogged?

You can tell if your fuel injectors are clogged by a couple of things. Generally speaking, if your vehicle is hard to start, you might have clogged fuel injectors. Another tell-tale sign that your fuel injectors are clogged is that your vehicle won’t start. You might also find that the engine does not make power, and that not all of the cylinders are firing. It can be difficult to diagnose clogged fuel injectors because they act the same way as a bad coil, dead spark plug, broken spark plug wires, and other electrical problems. If you remove a spark plug and it is dry, that can also be a sign that your fuel injectors are clogged or not performing as they should be.

Other Fuel Injector Cleaners We Reviewed

Top Pick
Buy Now
Chevron Techron Concentrate Plus Fuel System Cleaner

Cleans, restores, and protects the entire fuel system.

buy now
$15.74 USD

We looked at 20 other fuel injector cleaners. Even though they didn’t make our 5 best fuel injector cleaners list, they’re the best of the rest and each is still a great option for your vehicle. The information you’ll need to compare each one is included with the listing.

Diesel-Compatible Fuel Injector Cleaners

Stanadyne Performance Fuel Additive

Stanadyne Performance Fuel Additive 

This diesel-compatible fuel injector cleaner boasts a special formula designed to help restore fuel economy, and increase horsepower and torque to diesel-powered engines.

Key Features:

  • 16 ounce size
  • Helps reduce emissions
  • Alcohol-free

Cost: $13

Power Service Diesel Fuel Supplement

Power Service Diesel Fuel Supplement

This diesel-compatible fuel injector cleaner boasts a year-round formula that can treat up to 100 gallons at a time, and helps to prevent fuel gelling in temperatures as low as 40 degrees Fahrenheit.

Key Features:

  • 32 ounce size
  • Slickdiesel lubricator offers maximum fuel lubrication
  • Effective in all diesel fuels

Cost: $85

Royal Purple Max-Tane

Royal Purple Max-Tane

This diesel-compatible fuel injector cleaner helps improve engine startup and reliability in both warm and cold temperatures, and cleans deposits from fuel injectors and other engine components.

Key Features:

  • 20 ounce size
  • Increases fuel economy up to 10%
  • Effective in all diesel fuels

Cost: $40

Archoil AR6200 Fuel Treatment

Archoil AR6200 Fuel Treatment

This diesel-compatible fuel injector cleaner boasts a highly concentrated formula that works to help protect your fuel system and improve fuel efficiency.

Key Features:

  • 8 ounce size
  • Effective in all diesel fuels
  • Reduces soot/carbon deposit formation, as well as corrosion and microbial growth

Cost: $50

Schaeffer Manufacturing Co. 0137ULSW-004S Diesel Treat 2000

Schaeffer Manufacturing Co. 0137ULSW-004S Diesel Treat 2000  

This diesel-compatible fuel injector cleaner has been specially formulated for ultra low sulphur diesel fuels as well as biodiesel blends, and is ideal for winter maintenance.

Key Features:

  • 1-gallon size
  • Improves fuel economy up to 3%
  • Alcohol-free

Cost: $32

24 FPPF Fuel Power Diesel Fuel Treatment

24 FPPF Fuel Power Diesel Fuel Treatment

This diesel-compatible fuel injector cleaner boasts a highly concentrated formula designed to treat up to 240 gallons of fuel at a time.

Key Features:

  • 8 ounce size
  • Helps improve fuel economy
  • Controls waxing and gelling

Cost: $146

Berryman 0518 Diesel Injector Cleaner

Berryman 0518 Diesel Injector Cleaner

This diesel-compatible fuel injector cleaner boasts a blend of state-of-the-art detergents to provide maximum cleaning to your engine components, in addition to dispersing moisture within the fuel system.

Key Features:

  • 15 ounce size
  • Helps improve fuel economy
  • Compatible with all low and ultra-low sulfur diesel and biodiesels

Cost: $19

Standard Fuel System Cleaners

Red Line (60103) Complete SI-1 Fuel System Cleaner

Red Line (60103) Complete SI-1 Fuel System Cleaner

This standard fuel system cleaner boasts a concentrated formula that can help to clean your fuel system up to nearly 100% efficiency in just one treatment.

Key Features:

  • 15 ounce size
  • Safe for continual use
  • Helps reduce fouled plugs

Cost: $29

BG Products 44K Fuel System Cleaner

BG Products 44K Fuel System Cleaner

This standard fuel system cleaner boasts a fast working formula that treats up to 20 gallons of fuel at a time, in order to restore optimal vehicle performance and improve gas mileage.

Key Features:

  • 11 ounce size
  • Compatible with all fuel system materials
  • Suitable for direct injection gas engines

Cost: $60

Lucas Oil 10512 Deep Clean Fuel System Cleaner

Lucas Oil 10512 Deep Clean Fuel System Cleaner

This standard fuel system cleaner treats up to 30 gallons of fuel at a time, and helps to not only reduce harmful nitrous oxide emissions, but also improve fuel economy.

Key Features:

  • 16 ounce size
  • Removes carbon deposits
  • Helps eliminate engine knocking and pinging

Cost: $15

Gumout Expert Series Regane Complete Fuel System Cleaner

Gumout Expert Series Regane Complete Fuel System Cleaner

This standard fuel system cleaner treats 21 gallons of fuel per bottle, and helps to clean direct and indirect fuel injectors, intake valves and ports, piston tops, cylinder heads, and combustion chambers.

Key Features:

  • 10 ounce size
  • Helps improve performance and gas mileage
  • Prevents carbon deposits

Cost: $20

ACDelco 88865595 Fuel System Treatment

ACDelco 88865595 Fuel System Treatment

This standard fuel system cleaner treats up to 12 gallons of fuel, and works to remove deposits from port fuel injectors along with cleaning deposits from intake valves.

Key Features:

  • 12 ounce size
  • Helps eliminate engine knocking and pinging
  • Suitable for passenger cars and light duty trucks

Cost: $20

Royal Purple 18000 Max Atomizer Fuel Injector Cleaner

Royal Purple 18000 Max Atomizer Fuel Injector Cleaner

This standard fuel system cleaner boasts a blend of ingredients that work to restore fuel economy, maximize horsepower, and improves responsiveness in both diesel and gasoline engines.

Key Features:

  • 6 ounce size
  • Highly concentrated formula
  • Made in the USA

Cost: $22

Gumout 510016 All-In-One Complete Fuel System Cleaner

This standard fuel system cleaner can be used with all gasolines, and will not harm catalytic converter or oxygen sensors. Each bottle treats up to 35 gallons of fuel.

Gumout 510016 All-In-One Complete Fuel System Cleaner

Key Features:

  • 10 ounce size
  • Made in the USA
  • With advanced PEA cleaning agent

Cost: $13

Dura Lube HL-40199-06 Severe Fuel System Cleaner

Dura Lube HL-40199-06 Severe Fuel System Cleaner

This standard fuel system cleaner boasts a concentrated formula that is suitable for use with all direct injection and turbo engines, and treats up to 42 gallons of fuel at a time.

Key Features:

  • 16 ounce size
  • Available in single or multi-packs
  • Will not void manufacturer’s warranty

Cost: $20

Gumout 510023 Regane High Mileage Fuel System Cleaner

Gumout 510023 Regane High Mileage Fuel System Cleaner

This standard fuel system cleaner boasts a unique formula designed specifically for use in high mileage vehicles, and helps to restore performance and fuel economy.

Key Features:

  • 6 ounce size
  • With advanced PEA cleaning agent
  • Safe for use in turbocharged and supercharged vehicles

Cost: $5

Fuel Conditioning Agents

BRP Evinrude Johnson 2+4 Fuel Conditioner

BRP Evinrude Johnson 2+4 Fuel Conditioner

This fuel conditioning agent boasts a concentrated blend that helps to stabilize fuel in addition to preventing corrosion and absorbing moisture.

Key Features:

  • 32 ounce size
  • Suitable for ethanol blended fuels
  • Ideal for year-round protection

Cost: $21

Polytron Gasoline Diesel Fuel Conditioner

Polytron Gasoline Diesel Fuel Conditioner

This fuel conditioning agent is suitable for use with automotive, marine, industrial gasoline, diesel, and 2-stroke fuels, and treats up to 90 gallons at a time.

Key Features:

  • 12 ounce size
  • Industrial strength formula
  • Eliminates up to 95% of wear of moving parts of the fuel system

Cost: $17

BestLine 853796001177 Premium Synthetic Gasoline Conditioner

BestLine 853796001177 Premium Synthetic Gasoline Conditioner

This fuel conditioning agent boasts micro lubrication technology that helps to clean and protect the entire fuel system while increasing fuel mileage and performance.

Key Features:

  • 12 ounce size
  • Reduces harmful exhaust emissions
  • Treats up to 60 gallons of fuel

Cost: $12

Sta-Bil Gas Stabilizer

Sta-Bil Gas Stabilizer

This fuel conditioning agent helps to keep stored fuel fresh for quick and easy starts, and helps remove water to prevent corrosion.  

Key Features:

  • 1-gallon size
  • Prevents varnish and gum build-up
  • Effective in all gasoline, including ethanol blends

Cost: $74

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