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Emission Hose Routing Diagram

WARNING: This page is about a different car, the 2004 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Vacuum Hose Routing 3800 (Vin K)
GM693739Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Secondary Air Injection (AIR) Vacuum Control Solenoid Valve, if equipped
2 Secondary Air Injection (AIR) Shut-Off Valve, if equipped
3 Throttle Body
4 To EVAP Canister
5 EVAP Canister Purge Valve
6 Fuel Pressure Regulator
7 Secondary Air Injection (AIR) Vacuum Check Valve, if equipped
Fig 2: Vacuum Hose Routing 3800 (VIN 1)
GM202160Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 To EVAP Canister
2 PCV Valve
3 To Vacuum Brake Booster
4 Throttle Body
5 Supercharger Bypass Actuator (Bypass Valve Actuator)
6 Supercharger Bypass Solenoid (Boost Control Solenoid)
7 Fuel Pressure Regulator
8 Supercharger Assembly
9 EVAP Canister Purge Valve
10 Manifold Absolute Pressure (MAP) Sensor