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Boost Control System Operation

Fig 1: Bypass Valve Closed

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	By-pass Valve Actuator
2	Boost Signal
3	Boost Control Solenoid
4	Boost Vacuum Source
5	Supercharger
6	Intake Plenum
7	By-pass Valve (normally closed)
8	Throttle Body
9	Air Cleaner
10	MAF Sensor
11	Inlet Vacuum Signal