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Emission Hose Routing Diagram

Fig 1: Vacuum Hose Routing Diagram

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Positive Crankcase Ventilation (PCV) Valve
2	Fuel Pressure Regulator
3	Evaporative Emission (EVAP) Purge Pipe to EVAP Canister
4	Evaporative Emission (EVAP) Canister Purge Valve
5	Throttle Body Assembly
6	Intake Manifold