Nulon Octane Boost & Clean softens and dissolves fuel injector and combustion chamber carbon deposits, which are a major cause of poor performance, rough running and engine detonation (pinging). Using Octane Boost & Clean as a regular maintenance product will ensure your vehicle regains lost performance, starts easier and runs smoother. Safe for all unleaded fuels (including E10 & E85 bio-fuel). Benefits Cleans injector & carburettor deposits Boosts engine performance Boost octane by up to 2.5 numbers Stops engine detonation (pinging) Easier starting & smooth idle Improves exhaust emissions Safe for catalytic converters & oxygen sensors