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If your gasoline engine feels sluggish under partial load, hesitates on acceleration, or has lost its sharpness, fuel system deposits are the most common cause. In most gasoline engines, carbon and varnish deposits build up in the fuel injectors, intake valves, and combustion chamber over time. When they accumulate, throttle response dulls, fuel atomization suffers, and efficiency drops. ⚡ Common performance degradation point in all gasoline-powered vehicles. Part 20340 is the genuine LIQUI MOLY Speed Tec Gasoline formula that cleans the fuel system, restores sharp throttle response, and optimizes combustion — in a single tank.
This is the correct additive if ALL of the following are true:
Not sure? Send us your vehicle details — we'll confirm before you order.
✔ If these symptoms match, fuel system deposits are the most likely cause.
✔ In most cases, one treatment of Speed Tec Gasoline restores noticeably sharper throttle response within a single tank.
Skill Level: EASY — Under 2 minutes at the pump. Disconnect nothing — simply add the full 250ml bottle directly to your fuel tank before or during refueling. One bottle treats 25–75 litres of gasoline. For best results, use at every oil change interval or whenever you notice reduced throttle response. Safe for continuous use.
Suitable for all gasoline-powered passenger cars, motorcycles, small engines, and light trucks with 4-stroke or 2-stroke gasoline engines. Compatible with modern vehicles equipped with catalytic converters and particulate filters. Contact us to confirm compatibility with your specific vehicle before ordering.
Not sure about your model number? Call 1-877-899-7278 and we’ll help you confirm. All brand names are the property of their respective owners and are used for compatibility reference only.