Engine Controls - Basic Diagnostic Procedures

• Introduction
• Preliminary Inspection & Adjustments
  • Visual Inspection
  • Mechanical Inspection
    • Notes
    • Cylinder Compression Pressure
    • Cylinder Combustion Pressure Leakage
    • Exhaust System Backpressure
• Fuel Systems
  • Notes
  • Fuel System Pressure Release
  • Fuel System Pressure Test
    • Testing With Vehicle Stationary
    • Testing While Driving Vehicle
  • Fuel Tank System Pressure Test
    • Notes
    • Fuel Filler Cap Pressure Test
    • Fuel Filler Cap Pressure Leakage Test
    • Fuel Filler Cap Vacuum Leakage Test
    • EVAP Canister Purge Valve
    • Leak Diagnostic Pump
• Ignition Systems
  • DISTRIBUTORLESS Ignition System
• Idle Speed & Ignition Timing
  • Notes
  • Idle Speed
  • Ignition Timing