Emission Hose Routing Diagram
WARNING: This page is about a different car, the 2004 GMC Envoy XUV, 2004 GMC Envoy XL, 2004 Chevrolet TrailBlazer, and 2004 Buick Rainier. However, it is still accessible from the selected car via links, so may be relevant.
Courtesy 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 |