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7 Top Rated Fuel System Cleaners For GDI Engines
Details & Features
Sale1 
Gumout 800002231 Carb and Choke Cleaner, 14 oz.
- Helps overcome hard starting, rough idling, stalling, and high exhaust emissions
- Quickly removes deposits from the inside and outside of the carburetor to improve engine performance and fuel economy
- Cleans gum, varnish, and dirt from clogged carburetors and choke valves
- Effectively cleans unpainted metal parts and is quick drying
Sale2 
Liqui Moly 2037 Pro-Line Engine Flush
- Easy way to clean and flush the oil systems of gasoline and diesel engines
- Gentle and rapid cleaning
- Neutral to seals and other materials installed in the engine
- Compatible with catalytic converters
- Simple to use
3 
Sea Foam SF-16-2PK Motor Treatment Multi-Use, 16 Ounce, Pack of 2, 16. Fluid_Ounces
- Dissolves and clean fuel deposits and sticky residues from gas and diesel fuel injectors, carburetors, and combustion chambers
- Package dimensions :5.0" L x5.0" W x8.25" H
- Does NOT have harsh detergent or abrasive chemicals that can harm your engine
- Country of origin :United States
Sale4 
Chevron 65740 Techron Concentrate Plus Fuel System Cleaner, 20-Ounce
- QUALITY ASSURED
- Reduces: rough idle, engine surge, hesitation, and spark plus fouling
- 20 oz. bottle.
- Improves: cold start performance, and fuel stability for up to one year
5 
Liqui Moly 2007 Jectron Gasoline Fuel Injection Cleaner - 300 ml , blue
- Eliminates starting problems, hesitation and stalling.Fit Type: Universal
- Smoother idling
- Better throttle response
- Cleaner combustion
Sale6 
Dura Lube Severe Catalytic and Exhaust Treatment Cleaner Fuel Additive, 16 fl. oz, (PN: HL-402409)
- PERFORMANCE. Add to your vehicle anytime to help fuel systems and engine performance.
- RECOMMENDATION. Use before replacing catalytic converter.
- SHIELD. Protects catalytic system from harmful oil and maintains catalytic efficiency.
- REDUCTION. Reduces phosphorus and zinc retention levels at catalyst inlet.
- SAVING. Help increase fuel economy, fit type: universal fit work on all engines.
Sale7 
STA-BIL 360 Protection Ethanol Treatment & Fuel Stabilizer - Prevents Corrosion Caused By Ethanol Blended Fuel, Helps Increase Engine Power and Fuel Efficiency, Treats Up To 160 Gallons, 32oz (22275)
- PREVENTS ETHANOL DAMAGE – STA-BIL 360 Protection Ethanol Treatment & Fuel Stabilizer prevents corrosion caused by ethanol blended fuel. Effective in all gasoline blends, including ethanol and non-ethanol, this product helps increase engine power and fuel efficiency.
- STORAGE – Although this fuel additive is engineered for use in fresh fuel at every fill up, it stabilizes fuel for up to 12 months. As America's #1 Ethanol Treatment, you can trust STA-BIL 360 Protection to keep your vehicle or gasoline-powered small engine equipment running at peak performance.
- VERSATILE – The 32 oz. bottle of this alcohol-free fuel additive treats up to 160 gallons of fuel, and it is safe for use in all gasoline engines, including 2-cycle. By preventing the buildup of unwanted gum and varnish, this product is recommended for use in your vehicle, motorcycle, lawn mower, snow blower, boat, generator, and more.
- DIRECTIONS – Bottle Directions: To measure small quantities: remove small cap and seal (on long neck), squeeze bottle to desired level, and pour. To measure large quantities: remove large cap and seal, pour (measurements on bottle side). Usage Directions: 1 oz (30 mL) treats up to 5 gallons (19 L) of fuel. Recommended for use at every fill up in season for year-round performance and protection.
- SHELF LIFE – All STA-BIL branded products are good for use up to 2 years after the bottle was opened. Be sure to mark the date you opened the bottle on the back of your package! Proudly made in the USA by a family-owned company in Chicago, Illinois.