Cylinder Deactivation
โข Trap an exhaust charge from a normal combustion event
โข Normal combustion event
โข Don’t open the exhaust valve
โข Don’t open the intake valve
โข Piston is an air spring
โข Cylinders deactivated in firing sequence
Cylinder Reactivation
โข Open the exhaust valve
โข Empty the cylinder
โข Open the intake valve
โข Normal combustion event
โข Cylinders reactivated in firing sequence