Keeping you Ready for the Road Ahead , Power Service Diesel Kleen +Cetane Boost provides a complete cleaning. This Power Service formula helps clean dirty injectors and prevent sticking in High Pressure Common Rail (HPCR) and older systems. In addition, it removes both internal and external deposits on fuel injectors. At the same time, the cetane boost minimizes drag and enhances cold starts to enhance engine stability. This Power Services formula contains Slickdiesel Lubricator to help prevent fuel pump and injector wear from low-quality ultra low sulfur diesel fuel (ULSD). As a result, you receive a high-performing, smooth running engine service with improved fuel economy. FleetPride is your First Click in Heavy Duty .