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Home >> Chrysler >> 2009 >> 300 Signature Series >> Repair and Diagnosis >> External Pages >> Different car >> Section 17 (5.7L Engine (Service Information)) >> Solenoid-MDS >> Operation

Section 17 (5.7L Engine (Service Information)): Solenoid-MDS: Operation

WARNING: This page is about a different car, the 2006 Dodge Magnum, 2006 Dodge Charger, and 2006 Chrysler 300. However, it is still accessible from the selected car via links, so may be relevant.

Cylinder Deactivation 

  1. Trap an exhaust charge from a normal combustion event
  2. Normal combustion event
  3. Don't open the exhaust valve
  4. Don't open the intake valve
  5. Piston is an air spring
  6. Cylinders deactivated in firing sequence

Cylinder Reactivation 

  1. Open the exhaust valve
  2. Empty the cylinder
  3. Open the intake valve
  4. Normal combustion event
  5. Cylinders reactivated in firing sequence