GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 1997 🢒 Regal 🢒 Engine 🢒 Engine Controls - 3.8L 🢒 Emission Hose Routing Diagram
Figure 1:

(VIN K)
Object Number: 105097 Size: SH
(1)To Vacuum Brake Booster
(2)To Accessory
(3)To EVAP Canister
(4)Throttle Body
(5)To Transaxle
(6)Fuel Pressure Regulator
(7)EVAP Canister Purge Solenoid Valve
(8)EVAP Service Port
(9)PCV Valve
Figure 2:

(VIN 1)
Object Number: 49534 Size: SH
(1)EVAP Vacuum Switch
(2)PCV Valve
(3)To Accessory
(4)To EVAP Canister (At Rear of Vehicle)
(5)To Vacuum Brake Booster
(6)Throttle Body
(7)Supercharger Bypass Solenoid (Boost Control Solenoid)
(8)Supercharger Bypass Actuator (Bypass Valve Actuator)
(9)Manifold Vacuum Source
(10)Fuel Pressure Regulator
(11)Supercharger Assembly
(12)MAP Sensor
(13)EVAP Canister Purge Valve