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Emission Hose Routing Diagram

Fig 1: Emission Vacuum Hose Routing
GM344974Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Manifold Absolute Pressure (MAP) Sensor
2 EVAP Canister Purge Hose
3 EVAP Service Port
4 Positive Crankcase Ventilation (PCV) Valve
5 Throttle Body
6 EVAP Canister Purge Valve
7 AIR Module, if equipped
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