Okay. Clean stubborn dirt, carbon deposits and oxidation deposits in the fuel injectors and combustion chamber. Eliminate unstable engine idling, vibration and difficulty in starting. It lubricates and protects related components of the fuel system. Enhance power, save fuel and reduce exhaust emissions. eLuchi fuel injection nozzle cleaner is good. E Luchi is a Chinese brand. Eluchi is a brand of Shanghai Che Xiaoya Trading Co., Ltd., which was established in Shanghai in 2005.