Engine Controls - System & Component Testing

• Introduction
• Fuel System
  • Notes
  • Fuel Pressure Release
  • 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 (2.8L)
  • Fuel Pump Check Valve Test
    • 2.8L
  • Fuel Pump Relay
    • A4 (1.8L Turbo) Fuel Pump Relay Function
    • A4 (1.8L Turbo) Voltage Supply
    • A4 (1.8L Turbo) Fuel Pump Relay Signal
    • A4 (2.8L)
• Ignition System
  • Spark Test