GM Service Manual Online
For 1990-2009 cars only
Figure 1:
Object Number: 411900  Size: LF
(1)Throttle Body
(2)Intake Manifold
(3)Fuel Pressure Regulator Valve
(4)EVAP Canister Vent Solenoid
(5)EVAP Hose to Fuel Tank
(6)EVAP Canister
(7)EVAP Service Port
(8)EVAP Canister Purge Solenoid Valve
Figure 2:

EVAP System Overview


Object Number: 678941  Size: LF
(1)EVAP Canister Purge Solenoid
(2)EVAP Canister
(3)Fuel Fill Neck/Fill Cap
(4)Rollover Valve/Fuel Tank Pressure (FTP) Sensor
(5)Fuel Tank
(6)EVAP Canister Vent Solenoid
(7)Vent Hose/Pipe
(8)EVAP Vapor Pipe
(9)EVAP Purge Pipe
(10)EVAP Service Port