STP Diesel Fuel Treatment and Injector Cleaner

Formulated to help prevent deposit build-up in diesel engines. Without cleaning, these deposits can harm performance, cause corrosion and waste fuel. STP Diesel Fuel Treatment and Injector Cleaner Helps: Save fuel by keeping injectors clean Maintain performance by preventing deposit build-up, corrosion and rust Fight fuel line freeze and wax formation DIRECTIONS: Upon opening, pour entire contents into full gas tank. Firmly replace cap on empty bottle and discard in trash or recycle. Contains no alcohol. May be used in combination with other STP fuel additives.