The Best Carburettor Cleaner 2021

Carburettors can become clogged up with dirt and other deposits overtime which will require a suitable carb cleaner for removal. In this article, we list some great formulas that don’t require you to dissemble the carburettor and can be used on other car parts too.

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Best Carb Cleaner
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The best carb cleaner is the STP GST, which is the brand’s new and improved formula that can be used upon all carburettors, linkages and automatic chokes. If you would prefer to use a fuel additive alternative, the Liqui Moly MTX is a great option that comes in a 300 ml tin which can treat up to 70 litres of fuel.

Carburettor Cleaner Comparison

Carb CleanerTypeSize
STP GSTSpray500 ml
Wynns 54179Spray500 ml
Holts ProfessionalSpray500 ml
Liqui Moly MTXFuel Additive300 ml
Comma CACSpray500 ml
Power Maxed PMCSpray500 ml

Below is a list of the best carb cleaners that clean stubborn dirt, grease, oil and other deposits from the carburettors as well as other car parts.

The Best Carb Cleaner


1. STP GST Carb Spray Cleaner

STP GST Carb Spray Cleaner
By far the most popular carb cleaner in the UK is the STP spray, which is suitable for all carburettors, linkages and automatic chokes. This particular formula is part of the brand’s “Professional Series”, which has also just been recently improved in order to keep carburettors in peak condition.

Other features of the STB Carb Spray Cleaner include:

  • Independently tested
  • Easily washes off if required
  • Made in the EU
  • 500 ml aerosol spray

The STP Carb Cleaner ticks all the boxes and is a high quality yet affordable solution for cleaning your car’s carburettors. It’s important to note that if its sprayed upon the car’s bodywork, it needs to be washed off immediately as it may cause previous applied waxes to strip or paint streaking.
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2. Wynn’s 54179 Carburetor Cleaner

Wynn's 54179 Carburetor Cleaner
Another popular carb cleaner that’s manufactured by a reputable brand is the Wynn’s 54179 formula. It’s an easy to use aerosol that sprays into the carburettor in order to clear away any deposits or dirt in seconds.

Other features of the Wynn’s 54179 include:

  • Powerful jet spray
  • Suitable for carbs and air intakes
  • Dissolves gum, lacquer and deposits
  • Supplied with an insert tube
  • 500 ml aerosol

Overall, the Wynn’s Carburettor Cleaner is an excellent all-round option that’s relatively affordable and allows you to clean without dissembling the carburettor itself.
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3. Holts EGR & Carb Cleaner

Holts EGR & Carb Cleaner
Holts are a highly reputable UK brand that are well-known for their selection of affordable automotive products. This EGR and Carb Cleaner is a great example that’s powerful, easy to use and perfect for those on a tight budget.

Other features of the Holts EGR & Carb Cleaner include:

  • Powerful formulation
  • Sprayable at any angle
  • Restore performance
  • 500 ml aerosol
  • Made in the UK

The Holts EGR & Carb Cleaner is a great budget formula that’s effective and removes even the toughest of deposits. For the money, you really cannot go wrong with this formula and it won’t disappoint.
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4. Liqui Moly MTX Carburetor Cleaner

Liqui Moly MTX Carburetor Cleaner
The German made carb cleaner by Liqui Moly is a premium option that’s suitable for use upon the carburettors, valves, spark plug and other components. Unlike some of the alternatives, this particular cleaner is an additive that mixes with the fuel automatically in order to restore performance.

Other features of the Liqui Moly MTX include:

  • 300 ml aerosol can
  • Used as an additive with fuel
  • Treats up to 70 litres
  • Suitable for 2 or 4 stroke engines
  • Improves compression in the engine
  • Made in Germany

Although expensive, the Liqui Moly MTX is a high quality carb cleaner that simply pours in with your fuel to activate the cleaning process. It’s one of the easiest methods of keeping your carbs cleaned and worth paying the extra for.
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5. Comma CAC Carb Clean

Comma CAC Carb Clean
The Comma Carb Cleaner is a highly rated option that’s ideal for cleaning carburettors, choke jets, linkages and other components. It’s a powerful formula that’s very effective and comes with an applicator straw to reach tricky areas.

Other features of the Comma Carb Cleaner include:

  • Suitable for a range of components
  • Supplied with an applicator straw
  • Made in the UK
  • 500 ml aerosol

Overall, the Comma Carb Cleaner is a versatile and effective formula that won’t disappoint. The brand are well-known for their high quality formulas and this cleaner is a great example.
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6. Power Maxed PMC Carb Cleaner

Power Maxed PMC Carb Cleaner
If you require maximum cleaning power to dissolve dirt quickly, the Power Maxed PMC is a great option. It’s suitable for all visible carburettor parts or air intakes and cleans without disassembly oF any parts.

Other features of the Power Maxed PMC Cleaner include:

  • Dissolves fuel, oil and grease
  • Leaves behind no residue
  • 100% satisfaction guarantee
  • Fast acting formula
  • 500 ml aerosol

Overall, the Power Maxed PMC is an excellent carb cleaner that provides powerful and fast acting cleaning power. It also offers great value for the money, which is always a great added bonus.
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Conclusion

Classic cars or older vehicles that use carburettors as opposed to a modern fuel injection systems will often require cleaning every so often. In order to maximize efficiency, we strongly recommend using one of the many highly rated carb cleaners on the market. They simply spray onto the carburettors themselves or can be used as an additive to the fuel. By simply cleaning the carburettors, you can restore lost performance with very little effort required.

author dan 4car

Written By Dan

Dan has been a car enthusiast ever since he can remember and has an extensive range of cars that include classic cars that he has restored himself from a barn find condition to modern performance cars. Whether you need advice on how to install car parts or recommendations on what products to buy, Dan’s first-hand experience will certainly help.

If you want to find out more about Dan, our testing process or the website itself, visit our about page for further information.

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