Diesel Injector Cleaner is a multifunctional additive developed to overcome problems associated with vehicles using diesel fuel. Valvoline’s Diesel Injector Cleaner offers significant improvements in operating efficiency, overcoming poor fuel economy, injector fouling and the possibility of costly engine repairs. It also provides protection against corrosion in fuel tanks, lines, pumps and injectors while improving lubricity of the fuel, protecting the fuel pump and reducing deposits in all parts of the engine which can extend service life between overhauls.