Boost Solenoid: Description and Operation
Charge Air Absolute Pressure SensorThe pressure sensor is combined with a temperature sensor and measures the current absolute pressure and temperature in the charge air pipe.
More information on the Charge Air Absolute Pressure Sensor can be found under: Turbo Boost Sensor.
Boost Pressure Control Valve (179a)
More information on Boost Pressure Control Valve (179a) can be found under: Wastegate Solenoid.