Injector carbon remover. Quick and easy application,Best for car late start, engine missing and engine vibration. For adding directly to the fuel tank.200 ml is sufficient for up to 50 litres fuel.Clean car engine completely. Best for petrol and diesel car. Clean engine in 10 minutes.Forms high load-bearing film of lubricant on all friction surfaces. You will be surprised at how much better your engine sounds and how controlled it will be even at very high rpm.