Evaporative Emissions System

• Description
• Operation
  • 1974-77 Fuel Evaporation Systems
  • 1978-79 Fuel Evaporation Systems
• Trouble Shooting
  • Fuel Odor Or Gas Leaks
  • Fuel Tank Or Expansion Tank Deformed
  • Rough Engine Operation
• Testing
  • Check Valve
    • 1975-77 Models
  • Vacuum Switching Valve (VSV)
    • Notes
    • 1978 Models
    • 1979 Models (Federal)
    • 1979 Models (Calif.)
  • Bimetallic Vacuum Switching Valve (BVSV)
    • Notes
    • 1978-79 Models
  • Thermostatic Vacuum Switching Valve (TVSV)
    • Notes
    • 1978-79 Models
  • Vacuum Control Valve (VCV)
    • 1978-79 3K-C Engines
    • 1978-79 4M & 2F Engines
  • Outer Vent Control Valve
    • 1978-79 Models
  • Speed Sensor
• Maintenance