Owner's Manual
Page 220
... during idling and light throttle cruising, the excess air that the supercharger is pumping is not desired, such as during specific driving conditions. When this increased pressure or boost is routed through a bypass. F 1. Power Steering C. Crank D. Buick chose supercharging rather than it would normally use. The powertrain control module (PCM), works with fuel, creates...
... during idling and light throttle cruising, the excess air that the supercharger is pumping is not desired, such as during specific driving conditions. When this increased pressure or boost is routed through a bypass. F 1. Power Steering C. Crank D. Buick chose supercharging rather than it would normally use. The powertrain control module (PCM), works with fuel, creates...