Honda Pilot (and other models of larger Honda vehicles) have Variable Cylinder Management (VCM) that shuts off 1 to 3 cylinders if the power is not needed while cruising. This leaves the valves closed so that as they go up and down, causing vacuum in the cylinder and the oil to get into the rings and the vehicle will use oil and many other problems. Check out this "Mega Thread": https://www.piloteers.org/threads/the-… Read complete