Variable Displacement Cylinder Management

Variable Displacement Cylinder Management has become a part of many modern engine designs. Each manufacture employs cylinder displacement management using different methods, but all have the same end goal, better fuel economy and emissions. In this class the operation and troubleshooting of variable displacement cylinder management will be covered. In addition, examples of testing and diagnostics will be presented. Systems covered include:

• GM Variable Valve Lift and Displacement On Demand

• BMW Valvetronics

• FCA Multi air

• FCA Hemi MDS

• Honda Vtech