Reference Information

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2008 GMC Yukon XL, 2008 GMC Yukon, 2008 Chevrolet Tahoe, 2008 Chevrolet Suburban, and 2008 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

Schematic Reference

Evaporative Emissions Hose Routing Diagram

DTC Type Reference

Powertrain Diagnostic Trouble Code (DTC) Type Definitions

Description and Operation

Evaporative Emission Control System Description

Scan Tool Reference

Control Module References for scan tool information

Special Tools

CH-48096 EVAP Service Access Port Tool. See Special Tools .
J 41413-200 Evaporative Emissions System Tester (EEST). See Special Tools .
J 41413-300 EVAP Cap and Plug Kit
J 41413-SPT High Intensity White Light. See Special Tools .
J 41413-VLV EVAP Service Port Vent Tool. See Special Tools .