July 1, 2025

Advertising Disclosure

10 Best fuel injector cleaners of 2025

Save up to 12% off

Best Choice

1

Oeream
Lucas Upper Cylinder Lubricant & Fuel Injector Cleaner (5.25 oz.)-12 Pack
Main highlights

Enhanced Performance and Efficiency
Increases power and miles per gallon by burning excess exhaust emissions.

Ideal for Stored Fuel
Perfect for maintaining fuel quality in stored equipment and vehicles.

Highly Praised for Fuel Economy
Customers report significant improvements in miles per gallon and engine performance.
9.8

Exceptional

Our Rating

9.9
worth the money

9.7
Simple to use

9.3
materials Quality
How do we rank?

Powerful technology We scan thousands of products and stores, analyzing reviews to find what matters most to users like you

Careful review Our team ensures quality, value, and fit based on real user feedback

Trusted insights AI and human analysis guide your decisions, reflecting real user priorities
Real users impact

Thousands of users trust our site daily

Based on millions of stores and reviews

Shoppers influence our rankings
Analyzing top stores
Value for Money

2

STP
STP Fuel Injector Cleaner, Super Concentrated, Bottles, 5.25 Fl Oz, Pack of 12

12% Off
Main highlights

Restores Performance and Efficiency
Unclogs dirty fuel injectors to restore performance and save gas.

Perfect for Regular Maintenance
Best used every few fill-ups to maintain engine health.

Improved Gas Mileage
Noticed a difference in the first tank, better mileage.
9.7

Exceptional

Our Rating

9.7
Simple to use

9.1
Sheerness

8.7
distance
3

Lucas Oil
Lucas Oil 10003 Fuel Treatment - 1 Quart
Main highlights

Fuel System Efficiency
Cleans and lubricates the fuel system, improving MPG and reducing emissions.

Versatile Application
Ideal for gasoline and diesel engines, including older engines needing lead replacement.

Customer Praised Performance
Highly effective in restoring engine power and smooth operation.
9.4

Excellent

Our Rating

9.9
Simple to use

9.7
worth the money

9.5
Long life
4

Royal Purple
Royal Purple 18000 Max Atomizer Fuel Injector Cleaner, 6 fl. oz.
Main highlights

Fuel Efficiency Booster
Restores fuel economy and maximizes horsepower for better performance.

Versatile Engine Compatibility
Ideal for both gasoline and diesel engines, stabilizes ethanol.

Customer Praised Effectiveness
Improves engine responsiveness and smoothness, as noted in reviews.
9.3

Excellent

Our Rating

9.7
Simple to use

8.9
worth the money

8.7
distance
5

Gumout
Gumout 510013W-6PK Fuel System Cleaner, 6 Pack
Main highlights

Restores Performance and Economy
Specially formulated to clean carbon deposits, improving engine performance and fuel economy.

Ideal for High Mileage Engines
Best for vehicles with over 75,000 miles, ensuring optimal performance.

Praised for Mileage Boost
Customers report noticeable improvements in mileage and engine smoothness.
9.2

Excellent

Our Rating

9.9
Simple to use

9.3
worth the money

9.1
distance
See Today’s Deals & Prices
6

B-12
B-12 0116 Chemtool Fuel Injector Cleaner, 15 Ounce, (Single Unit)
Main highlights

High-Energy Solvent Technology
Contains 100 High-Energy Solvent Technology for superior cleaning of fuel systems.

Ideal for Fuel System Maintenance
Perfect for cleaning injectors, carburetors, and intake ports, enhancing engine performance.

Improved Fuel Efficiency
Customers praise enhanced fuel efficiency and engine responsiveness after use.
9.1

Excellent

Our Rating

9.7
worth the money

9.7
Simple to use

9.5
quality of ingredients
7

STP
STP Complete Fuel System Cleaner, Fuel Cleaner Deep Cleans Entire Fuel System, 5.25 Oz, Multicoloured, 1 Count (Pack of 1)
Main highlights

Fuel System Cleaning
Removes deposits from entire fuel system to restore performance.

Ideal for Cap-less Fuel Tanks
Compatible with cap-less fuel tanks, making it user-friendly.

Check Engine Light Solution
Frequently praised for turning off check engine lights.
9.0

Excellent

Our Rating

9.9
Simple to use

9.5
worth the money

9.3
distance
8

Liqui Moly
Liqui Moly 2007 Jectron Gasoline Fuel Injection Cleaner - 300 ml , blue , 10.14 Fl Oz (Pack of 1 )
Main highlights

Enhanced Engine Performance
Eliminates starting problems, smoother idling, and better throttle response.

Perfect for Aging Vehicles
Especially beneficial for older cars with fuel injection issues.

User Satisfaction
Praised for noticeable improvements in engine smoothness and power.
8.9

Very Good

Our Rating

9.7
Simple to use

9.1
worth the money

9.1
Sheerness
9

Red Line
Red Line 60103 SI-1 Complete Fuel System Cleaner - 15 Ounce
Main highlights

Comprehensive Cleaning Power
Red Line SI-1 effectively cleans injectors, carburetors, and valves.

Ideal for Older Vehicles
Best used in vehicles with suspected fuel system fouling.

Notable Mileage Improvement
Customers report significant gas mileage increases after treatment.
8.7

Very Good

Our Rating

9.7
Simple to use

9.5
quality of ingredients

9.3
worth the money
10

THIKPO

THIKPO Universal Fuel Injector Tester and Cleaner Tool Kit, DIY Cleaning Tool Kit, 8 Pulse Modes, 4 Wire Dual Channel for 2 Fuel Injectors, 8 Size Cleaning Adapters, 12V/5V Output Power
8.4

Good

Our Rating

10 Best fuel injector cleaners of 2025

1

Lucas Upper Cylinder Lubricant & Fuel Injector Cleaner (5.25 oz.)-12 Pack

9.9

9.7

9.3

How do we rank?

How do we rank?

Analyzing top stores

2

STP Fuel Injector Cleaner, Super Concentrated, Bottles, 5.25 Fl Oz, Pack of 12

9.7

9.1

8.7

3

Lucas Oil 10003 Fuel Treatment - 1 Quart

9.9

9.7

9.5

4

Royal Purple 18000 Max Atomizer Fuel Injector Cleaner, 6 fl. oz.

9.7

8.9

8.7

5

Gumout 510013W-6PK Fuel System Cleaner, 6 Pack

9.9

9.3

9.1

6

B-12 0116 Chemtool Fuel Injector Cleaner, 15 Ounce, (Single Unit)

9.7

9.7

9.5

7

STP Complete Fuel System Cleaner, Fuel Cleaner Deep Cleans Entire Fuel System, 5.25 Oz, Multicoloured, 1 Count (Pack of 1)

9.9

9.5

9.3

8

Liqui Moly 2007 Jectron Gasoline Fuel Injection Cleaner - 300 ml , blue , 10.14 Fl Oz (Pack of 1 )

9.7

9.1

9.1

9

Red Line 60103 SI-1 Complete Fuel System Cleaner - 15 Ounce

9.7

9.5

9.3

10

THIKPO Universal Fuel Injector Tester and Cleaner Tool Kit, DIY Cleaning Tool Kit, 8 Pulse Modes, 4 Wire Dual Channel for 2 Fuel Injectors, 8 Size Cleaning Adapters, 12V/5V Output Power

Sign up and get exclusive special deals