Top 10 Fuel Cleaners
for August 2021

Recommendations are independently chosen by MOOZ’s editors. Purchases you make through our links may earn us a commission.

1
9.8
SCORE
Red Line 60103 Complete SI-1 Fuel System Cleaner, 15 Ounce, (15 Ounce, (Pack of 2))

Red Line 60103 Complete SI-1 Fuel System Cleaner

15 Ounce, (15 Ounce, (Pack of 2))

by Red Line
What We like

Use one bottle per tank for most effective treatment of neglected vehicle

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Product Features

  • Cleans to nearly 100 percent efficiency in one treatment
  • Reduces need for octane by up to two points
  • Contains synthetic upper cylinder lubricant
  • Safe for continual use

Safe for continual use Contains synthetic upper cylinder lubricant Reduces need for octane by up to two points Cleans to nearly 100 percent efficiency in one treatment

2
9.7
SCORE
Chevron Techron Concentrate Plus Fuel System Cleaner - 20 oz.

Chevron Techron Concentrate Plus Fuel System Cleaner

20 oz.

by Chevron
What We like

For best performance, follow the manufacturer's recommendations in your vehicle owners manual.

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3
9.4
SCORE
Liqui Moly 2030 Pro-Line Fuel System Cleaner, 500 ml

Liqui Moly 2030 Pro-Line Fuel System Cleaner

500 ml

by Liqui Moly
What We like

Item Package Weight : 0.9 pounds

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Product Features

  • Package Dimension : 2.24 " L x 2.24 " W x 7.96 " H
  • Model Number : 2030
  • Country of Origin: GERMANY

Model number : 2030 Package dimension : 2.24 " l x 2.24 " w x 7.96 " h Country of origin: germany

4
9.3
SCORE
Liqui Moly 2007 Jectron Gasoline Fuel Injection Cleaner - 300 ml

Liqui Moly 2007 Jectron Gasoline Fuel Injection Cleaner

300 ml

by Liqui Moly
What We like

Cleaner combustion

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Product Features

  • Eliminates starting problems, hesitation and stalling
  • Smoother idling
  • Better throttle response

Better throttle response Smoother idling Eliminates starting problems, hesitation and stalling

5
8.8
SCORE
Royal Purple Max-Clean Fuel System Cleaner and Stabilizer 11722

Royal Purple Max-Clean Fuel System Cleaner and Stabilizer 11722

by Royal Purple
What We like

Fit type: Vehicle Specific

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Product Features

  • Increases horsepower an average of 2.6 percent
  • Improves fuel economy an average of 3.2 percent
  • 3-in-1 fuel additive keeps new engines clean and improves vehicle's performance
  • Reduces hydrocarbon, NOx and CO emissions (on average 12, 13 and 18-percent respectively)

Improves fuel economy an average of 3.2 percent 3-in-1 fuel additive keeps new engines clean and improves vehicle's performance Increases horsepower an average of 2.6 percent Reduces hydrocarbon, nox and co emissions (on average 12, 13 and 18-percent respectively)

6
8.5
SCORE
Chevron Techron Concentrate Plus Fuel System Cleaner - 12 oz. - 67740

Chevron Techron Concentrate Plus Fuel System Cleaner

12 oz., 67740

by Chevron
What We like

Automobiles and trucks use every 3,000 miles or at your next oil change. All other gasoline engines use as needed (motorcycles, dirt bikes, boats, ATVs, RVs, water craft, lawn care, etc.)

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Product Features

  • Improves: cold start performance, and fuel stability for up to one year
  • Automobiles and trucks use every 3,000 miles or at your next oil change. All other gasoline engines use as needed (motorcycles, dirt bikes, boats, ATVs, RVs, water craft, lawn care, etc.)
  • Cleans, restores, protects the entire fuel system (fuel injectors, carburetors, intake valves and combustion chambers)
  • Reduces: rough idle, engine surge, hesitation, and spark plug fouling
  • Improves: cold start performance, and fuel stability for up to one year

Improves: cold start performance, and fuel stability for up to one year 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 Automobiles and trucks use every 3,000 miles or at your next oil change. all other gasoline engines use as needed (motorcycles, dirt bikes, boats, atvs, rvs, water craft, lawn care, etc.) 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 plug fouling Reduces: rough idle, engine surge, hesitation, and spark plug fouling Improves: cold start performance, and fuel stability for up to one year

7
8.3
SCORE
Lucas Oil 10512 Deep Clean Fuel System Cleaner - 16 oz.

Lucas Oil 10512 Deep Clean Fuel System Cleaner

16 oz.

by LUCAS OIL
What We like

Flash point: 46.11 degrees_celsius

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Product Features

  • Greatly reduces harmful nitrous oxide emissions
  • Totally eliminates knocking and pinging
  • Raises mileage and performance
  • Removes carbon deposits

Removes carbon deposits Raises mileage and performance Totally eliminates knocking and pinging Greatly reduces harmful nitrous oxide emissions

8
7.9
SCORE
Royal Purple 18000 Max Atomizer Fuel Injector Cleaner

Royal Purple 18000 Max Atomizer Fuel Injector Cleaner

by Royal Purple
What We like

Fit type: Universal Fit

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Product Features

  • For use in both gasoline and diesel engines
  • Restores fuel economy
  • Stabilizes ethanol
  • Maximizes horsepower
  • Improves responsiveness

For use in both gasoline and diesel engines Maximizes horsepower Improves responsiveness Restores fuel economy Stabilizes ethanol

9
7.9
SCORE
DURA LUBE HL-40199-06 Severe Fuel System Cleaner, 16-Ounce, Single

DURA LUBE HL-40199-06 Severe Fuel System Cleaner

16-Ounce, Single

by Dura Lube
What We like

Restores injector flow

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Product Features

  • Helps remove intake and exhaust stem gum
  • Directions: add full contents to gas tank at least every 3,000 miles; treats up to 42 gallons, highly recommended for all direct injection and turbo engines.
  • Helps aid loss of fuel economy, poor accelertion, engine hesitation and knock
  • Severe formulation cleans the entire fuel delivery system and helps aid the phase separation occuring in fuel.

Directions: add full contents to gas tank at least every 3,000 miles; treats up to 42 gallons, highly recommended for all direct injection and turbo engines. Severe formulation cleans the entire fuel delivery system and helps aid the phase separation occuring in fuel. Helps aid loss of fuel economy, poor accelertion, engine hesitation and knock Helps remove intake and exhaust stem gum

10
7.9
SCORE
Liqui Moly 20250 Truck Series Complete Fuel System Cleaner

Liqui Moly 20250 Truck Series Complete Fuel System Cleaner

by Liqui Moly
What We like

Normalizes fuel compensation and exhaust emissions values

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Product Features

  • Prevents corrosion in the fuel system
  • Improves performance
  • Cleans the injection system as well as the intake valves and combustion chamber

Prevents corrosion in the fuel system Cleans the injection system as well as the intake valves and combustion chamber Improves performance

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