Typical Evaporative Emission (EVAP) System Hose Routing Diagram
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2018 GMC Yukon XL, 2018 GMC Yukon, 2018 Chevrolet Tahoe, 2018 Chevrolet Suburban, and 2018 Cadillac Escalade ESV. However, it is still accessible from the selected car via links, so may be relevant.
| Callout | Component Name |
|---|---|
| 1 | Evaporative Emissions (EVAP) Purge Solenoid Valve |
| 2 | Purge Tube Check Valve, Turbo-Charged Applications Only |
| 3 | EVAP Canister |
| 4 | EVAP Vapor Tube |
| 5 | Vapor Recirculation Tube (ORVR) |
| 6 | Fuel Tank Pressure Sensor |
| 7 | Fuel Filler Cap (Some Vehicles May Have A Capless Design) |
| 8 | Fuel Tank |
| 9 | Fuel Fill Pipe Inlet Check Valve |
| 10 | Liquid Fuel |
| 11 | Fill Limit Vent Valve (FLVV) |
| 12 | Fuel Vapor |
| 13 | EVAP Canister Vent Solenoid Valve |
| 14 | Vent hose |
| 15 | EVAP Purge Tube |
| 16 | EVAP Canister Purge Tube Connector |