GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Buick
🢒
1997
🢒
Century
🢒
Engine
🢒
Engine Controls - 3.1L
🢒 Emission Hose Routing Diagram
3100 (VIN M) Chevrolet and Buick
(1)
EVAP Service Port
(2)
To EVAP Canister (At Rear of Vehicle)
(3)
To Rocker Arm Cover
(4)
Air Intake Duct
(5)
Throttle Body
(6)
PCV Valve
(7)
Fuel Pressure Regulator
(8)
To Transaxle
(9)
Intake Manifold
(10)
To Accessory
(11)
To Vacuum Brake Booster
(12)
MAP Sensor
(13)
EVAP Canister Purge Valve