Typical Evaporative Emission (EVAP) System Hose Routing Diagram

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Fig 1: Identifying Typical Evaporative Emission (EVAP) System Hose Routing And Components

Courtesy of GENERAL MOTORS COMPANY

(1) Evaporative Emission Canister Filter

(2) Evaporative Emission Canister Filter Hose

(3) Q13 Evaporative Emission Vent Solenoid Valve

(4) Evaporative Emission Canister

(5) Fuel Tank Filler Hose or Fuel Tank Filler Pipe

(6) Vapor Recirculation Tube

(7) B150 Fuel Tank Pressure Sensor

(8) Fuel Fill Pipe Inlet Check Valve

(9) Fuel Tank

(10) Fuel Vapor

(11) Liquid Fuel

(12) Fill Limit Vent Valve

(13) Evaporative Emission Vapor Tube

(14) Evaporative Emission Canister Purge Tube

(15) G58 Evaporative Emission Purge Pump

(16) Q12 Evaporative Emission Purge Solenoid Valve

(17) To Induction System