Mannol 9981 Gasoline Fuel Injection System Cleaner 300ml is a premium fuel additive designed for petrol engines to boost injector performance and combustion efficiency. This high-quality cleaner rapidly removes carbon, tar and scale buildup from fuel injectors, intake valves and combustion chambers. By eliminating deposits it restores smooth idling, improves acceleration response and reduces engine misfires. The formula enhances fuel atomization which leads to sharper throttle response and lower fuel consumption. Fully compatible with all petrol engines including turbocharged systems and catalytic converters this cleaner is perfect for preventive maintenance and performance restoration. Add one 300ml bottle to a full tank before refuelling to keep your engine running at peak condition. Mannol 9981 ensures reliable fuel system performance and supports long engine life with every use.