Engine Controls - Basic Diagnostic Procedures

• Introduction
• Preliminary Inspection & Adjustments
  • Visual Inspection
  • Mechanical Inspection
    • Compression
    • Exhaust System Backpressure
• Fuel Systems
  • Preliminary Checks
  • Fuel Pressure Release
  • Fuel Pressure
    • Compressed Natural Gas Vehicles
    • Gasoline Engines
  • Fuel Injectors
    • Fuel Injector Resistance
    • Fuel Injector Check
  • Inertia Fuel Shutoff Switch
• Ignition Checks
  • Notes
  • EDIS (DISTRIBUTORLESS)
  • Ignition Coil Resistance
• Idle Speed & Ignition Timing
  • Notes
  • Idle Mixture Adjustment
  • Ignition Timing
• Throttle Position Sensor Adjustment
• Summary