Fuel injector cleaners can help increase your car's performance and fuel economy.

we’ve put together a collection of the best Fuel System Cleaners that are currently available on the market. To help you find the perfect Fuel System Cleaner among a wide variety of options, we constantly update our collection with new and trending models.

10 Best Fuel System Cleaners

Based on dozens of customer reviews and ratings, the followings are the top 10 best-selling Fuel System Cleaners:

Top Rated Fuel System Cleaner Reviews

Since we’ve mentioned 10 different models of Fuel System Cleaners on the above list, it may be difficult for you to find the right one for your needs. This is why we listed the key features of each of these Fuel System Cleaners below:

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Product Highlights:

  • 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
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Product Highlights:

  • 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
  • Use one bottle per tank for most effective treatment of neglected vehicle
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Product Highlights:

  • Lucas fuel treatment is formulated for both gasoline and diesel engines, carbureted or fuel injected
  • Use it to pass smog tests. Finally, it totally neutralizes the harmful effects of low sulfur diesel fuel.
  • Tan color
  • 1 Quart
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Product Highlights:

  • Two 5.25 fl oz bottles of STP Super Concentrated Fuel Injector Cleaner
  • Fuel additive contains concentrated detergents for effective car care
  • Dissolves and removes carbon, gum and varnish deposits that can be harmful to fuel injectors
  • Jet fuel works as a carrier to deliver the active ingredients effectively
  • STP fuel injector cleaner helps to prevent hard stops, lost acceleration and rough idling and helps save gas
  • Use this additive with every oil change or every 4,000 miles
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Product Highlights:

  • Package Dimension : 2.24 ” L x 2.24 ” W x 7.96 ” H
  • Country of Origin: GERMANY
  • Model Number : 2030
  • Item Package Weight : 0.9 pounds
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Product Highlights:

  • 3-in-1 fuel additive keeps new engines clean and improves vehicle’s performance
  • Improves fuel economy an average of 3.2 percent
  • Increases horsepower an average of 2.6 percent
  • Reduces hydrocarbon, NOx and CO emissions (on average 12, 13 and 18-percent respectively)
  • Prevents rough idle, hesitation and stalling
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Product Highlights:

  • Specially formulated to remove carbon deposits from engines with over 75, 000 miles
  • Cleans fuel injectors, intake valves, and ports to restore performance and fuel economy
  • Prevents future carbon build-up and reduces emissions
  • Oxygen sensor safe and safe for use in turbocharged and supercharged vehicles
  • Will not void OEM/manufacturer’s
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Product Highlights:

  • 【Why Need It】The performance of the injector plays a vital role in the power of each engine. Due to the fuel quality, the injector cannot work normally, causing serious carbon deposits in the cylinder; accelerating the cylinder bore and piston ring, causing unstable idling, increased fuel consumption, weak acceleration, difficulty in starting, excessive emissions, and complete blockage of the injector. Cause damage to the engine, so the injector should be cleaned regularly.
  • 【Digital Display】With the help of microcomputer control and digital display, the equipment makes possible automatic cleaning, testing injectors and real-time monitoring of the dynamic values.
  • 【Automatic Cleaning and Testing】Fuel pressure control through microcomputer offers stable pressure control and largeadjustable range, which is suitable for all EGI vehicles and can help to achieve automatic cleaning and testing of injectors.
  • 【Adopting Humanization Design】Automatic fuel draining through preset programs for some test items. Test liquid/detergent can also be drained by pushing a button on the control panel after the test.can make the system pressure fast restored to the default,The unit is equipped with various adaptors and couplers that facilitate cleaning on the injectors on vehicle.
  • 【Reverse Flush】Uniformity/Sprayability test: To test the uniformity of injecting amount of each injector,and to monitor the spraying status of each injector with the help of backlight. This test is also for reverse flush.
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Product Highlights:

  • 【Ultrasonic Injector Cleaner and Tester】V308 can be used for cleaning and testing four injectors at the same time. Quickly remove carbon from your fuel system, testing leaking, uniformity, inbreathes of injectors. Make your injector spray more smoothly.
  • 【Multi-Functions】Has 11 Main Functions: Ultrasonic Cleaning; ldle Speed Test; Medium Speed Test; High Speed Test; Accelerating Test; Variable Speed Test; Leakage Test; ldle Spray Volume; Medium Spray Volume; High Spray Volume; Unit Info.
  • 【Ultrasonic Cleaning】This injector cleaning tool has a 1300ml large-capacity ultrasonic cleaning tank, which can clean multiple injectors at the same time and remove the carbon deposits on the injector completely, V308 has the heating function, which can heat the cleaning heat to 40 degrees Celsius, saving a lot of time and manpower.
  • 【Humanized Design】Equipped with LED display, pressure gauge, glass tubes, testing liquid level gauge and multifunctional control panel, their combination allows you to easily operate through the clear menu, and monitor the fuel injector detection and fuel dynamic value in real time.
  • 【WARRANTY】MR CARTOOL offers 24-month warranty and 7×24 hours friendly customer service to ensure your shopping experience. No need to pay extra for warranty service, saving you a lot of money! If you have any issues, please can contact us, we will provide you with a solution ASAP.
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Product Highlights:

  • 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

Video Overview

Does Techron Fuel System Cleaner Actually Work? (with PROOF)

In this video I tested Techron Concentrate Plus by Chevron. I use a mini borescope camera to look into the engine and see how dirty the engine is before the fuel …

Final Words

So, these are all of the Best Fuel System Cleaners available on the market. We hope this collection was helpful to find the right Fuel System Cleaner for the money. However, we recommend checking out the features, benefits, and problems of each of these Fuel System Cleaners before taking your decision.