Engine Controls - Basic Diagnostic Procedures

• Introduction
• Preliminary Inspection & Adjustments
  • Visual Inspection
  • Mechanical Inspection
    • Compression
    • Exhaust System Backpressure
• Fuel System
  • Notes
  • Fuel Pressure Release
    • A4
  • Fuel Pressure Test
    • Notes
    • Fuel System Pressure
    • Fuel System Residual Pressure
  • Fuel Injector Test
    • Fuel Injector Leak Test
    • Fuel Injector Resistance Test
    • Fuel Injector Quantity Test
• Ignition System
  • Spark Test
    • Notes
    • A4 (2.8L)
• Idle Speed & Ignition Timing
• Summary