3.0 LITER SUPERCHARGED. Pressure sensor. A Sensor which measures the amount of Boost created by the Supercharger. From Chassis/VIN HA489362. Location-Supercharger. The Manifold Absolute Pressure Sensor provides instantaneous Manifold Pressure information to the engine's electronic control unit (ECU). To Chassis/VIN HA489361. Included with: Intake Manifold, Supercharger.