The Multi Displacement System selectively deactivates cylinders 1,4,6, and 7, to improve fuel economy. It has two modes of operation:
• 8 cylinders for acceleration and heavy loads.
• 4 cylinders for cruising and city traffic.
The main components of the Multi Displacement System are:
• Unique MDS camshaft.
• Deactivating roller tappets.
• 4 control valves/solenoids.
• control valve/solenoid wiring harness.
• Oil temp sensor