GM Service Manual Online
For 1990-2009 cars only

Emission Hose Routing Diagram WithoutSecondary Air Injection (AIR

Figure 1:

With Secondary Air Injection (AIR)


Object Number: 613343  Size: SH
(1)EVAP Canister
(2)EVAP Vent Solenoid
(3)EVAP Purge Solenoid
(4)Fuel Pressure Regulator
(5)Throttle Body
(6)PCV Valve
(7)AIR Control Valve Bank 2
(8)AIR Vacuum Check Valve
(9)AIR Control Valve Bank 1
(10)AIR Solenoid
(11)To Fuel Tank
Figure 2:

Emission Hose Routing Diagram Without Secondary Air Injection (AIR)


Object Number: 613336  Size: SH
(1)EVAP Canister
(2)EVAP Vent Solenoid
(3)EVAP Purge Solenoid
(4)Fuel Pressure Regulator
(5)Throttle Body
(6)PCV Valve
(7)To Fuel Tank

Emission Hose Routing Diagram With Secondary Air Injection (AIR)

With Secondary Air Injection (AIR)


Object Number: 613343  Size: SH
(1)EVAP Canister
(2)EVAP Vent Solenoid
(3)EVAP Purge Solenoid
(4)Fuel Pressure Regulator
(5)Throttle Body
(6)PCV Valve
(7)AIR Control Valve Bank 2
(8)AIR Vacuum Check Valve
(9)AIR Control Valve Bank 1
(10)AIR Solenoid
(11)To Fuel Tank