Engine Controls - System/Component Tests

• Introduction
• Engine Sensors & Switches
  • Engine Coolant Temperature Sensor
  • Heated Oxygen Sensor (Ho2S)
  • Manifold Absolute Pressure (Map) Sensor
  • Throttle Position (TP) Sensor
• Relays
  • Auto Shutdown (ASD) & Fuel Pump Relays
• Fuel System
  • Injectors
• Ignition System
  • Notes
  • Coil Test
• Emission Systems & Sub-Systems
  • Exhaust Gas RECIRCULATION (EGR) System
• EGR Diagnostic Chart
  • Notes
  • Positive Crankcase Ventilation (PCV)
    • PCV Valve