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5 Best Fuel System Cleaners of 2025

Last Updated - 2025/09/21

1
Best Choice

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Chevron

Chevron 65740-CASE Techron Concentrate Plus Fuel System Cleaner, 20-Ounce (Pack of 6)

Chevron

CA$146.67

More Details
Main highlights
- Restores: lost power, acceleration, lost fuel economy, and operation of the fuel gauge sensor
- Restores lost power and performance
- Reformulated with improved deposit control
- Reduces: rough idle, engine surge, hesitation, and spark plus fouling
- Proven unbeatable at cleaning the entire fuel intake system
- One 20 ounce bottle treats up to 20 gallon tank and uses every 3,000 as part of a regular maintenance program
- 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)
- Cleans and protects against corrosive sulfur deposits that can harm fuel gauge sensors
- 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.)
CA$146.67
2

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Red Line

Red Line 60103-4PK Complete SI-1 Fuel System Cleaner - 15 Ounce, (Pack of 4)

Red Line

CA$98.95

More Details
Main highlights
- Red Line 60103-4PK Complete SI-1 Fuel System Cleaner - 15 Ounce, (Pack of 4)
CA$98.95
3

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Red Line

Red Line 60103 Complete SI-1 Fuel System Cleaner, 15 Ounce, 2 Bottles

Red Line

CA$48.65

More Details
Main highlights
- Use one bottle per tank for most effective treatment of neglected vehicle
- Safe for continual use
- Reduces need for octane by up to two points
- Contains synthetic upper cylinder lubricant
- Cleans to nearly 100 percent efficiency in one treatment
CA$48.65
4

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Liqui Moly

Liqui Moly Jectron 7711 Gasoline Fuel Injection Cleaner additive, Cleans Valves & Injectors Without Removal. Updated to Replace Liqui Moly 2007-300ML

Liqui Moly

CA$22.49

More Details
Main highlights
- Smoother idling, good throttle response
- Restores performance, drivability and durability
- Reduces fuel consumption and exhaust emissions
- Keeps intake valves clean
- Cleans injectors without removal
CA$22.49
5
Best Value

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Chevron

Chevron Techron 12 oz. Fuel System Cleaner (2 Pack)

Chevron

CA$48.58

CA$52.06
(6% Off)

More Details
Main highlights
CA$48.58
CA$52.06 (6% Off)

5 Best Fuel System Cleaners of 2025

Chevron 65740-CASE Techron Concentrate Plus Fuel System Cleaner, 20-Ounce (Pack of 6)

Red Line 60103-4PK Complete SI-1 Fuel System Cleaner - 15 Ounce, (Pack of 4)

Red Line 60103 Complete SI-1 Fuel System Cleaner, 15 Ounce, 2 Bottles

Liqui Moly Jectron 7711 Gasoline Fuel Injection Cleaner additive, Cleans Valves & Injectors Without Removal. Updated to Replace Liqui Moly 2007-300ML

Chevron Techron 12 oz. Fuel System Cleaner (2 Pack)

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