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Engine Controls And Fuel - 4.4L - Introduction
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Description and Operation
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Boost Control System Description
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Notes
Boost Control System Description: Notes
Fig 1: Bypass Valve Open
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