Durango 2WD V8-4.7L Flex Fuel (2009)
Brake Booster Vacuum Sensor: Description and Operation
DESCRIPTION
The Vacuum sensor measures the available vacuum in the brake booster. In the event of a Booster failure, the ESP system offers additional brake force
to the driver. Utilizing the hydraulic system of ESP, the brake line pressure is increased to achieve a higher deceleration with low pedal force