Exhaust Gas RECIRCULATION

• Description
• Operation
  • Ported EGR System
  • Dual Diaphragm EGR System
  • BACKPRESSURE EGR System
    • Notes
    • Positive Backpressure EGR Valve
    • Negative Transducer Backpressure EGR Valve
  • EGR Thermal Vacuum Switch (TVS)
• Testing
  • System Operation
  • Functional Tests
    • EGR Valve Installed (Ported & Negative Backpressure Types)
    • EGR Valve Removed (Backpressure Type Only)
• Maintenance
  • EGR Passage Cleaning