The Cleen Plan The Cleen Plan improves fuel economy and reduces emissions. The Cleen Plan is a comprehensive program that combines do-it-yourself preventative maintenance with an annual professional cleaning; a partnership between the motorist and his trusted service technician. The Cleen Plan program includes a complete fuel injection cleaning system, the finest cleaning chemicals, and a complete in-shop merchandising program. Our Message to Motorists The Cleen Plan is a partnership between you and your trusted service technician. Clean your fuel injectors annually and save money at the pump, improve performance, and help the environment. Our Message to Technicians The Cleen fuel injection cleaning system contains everything you need to increase your profits. Improve your customers’ fuel economy and keep them coming back to you. Visit our Resource Library for available downloads Back to Cleen Plan