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Home >> Chevrolet >> 2004 >> Avalanche 2500 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - 8.1L (Introduction) >> Schematic and Routing Diagrams >> Emission Hose Routing Diagram
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Emission Hose Routing Diagram

Fig 1: Vacuum Hose Routing
GM1309865Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Fuel Pressure Dampener
2 EVAP Purge Pipe
3 EVAP Purge Solenoid Valve
4 Throttle Body
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