GMC Workshop Service and Repair Manuals

G 3500 1 Ton Van V8-350 5.7L VIN M 4-bbl (1983)

• Powertrain Management
• Emission Control Systems
• Evaporative Emissions System
• Canister Purge Control Valve / Component Information
• Testing and Inspection
• Chart C-3 Canister Purge Valve Check - C3 System