Engine Controls - Basic Diagnostic Procedures

• Introduction
• Preliminary Inspection & Adjustments
  • Visual Inspection
  • Mechanical Inspection
    • Compression
    • Exhaust System Backpressure
• Fuel System
  • Notes
  • Fuel Pressure
    • Fuel Pressure
    • Fuel Pump Circuit (940)
    • Fuel Pump Circuit (850)
    • Fuel Pump Circuit (960)
    • Injection System (Fuel Pump) Relay (940)
• Ignition Checks
  • BENDIX REX-I
    • Notes
    • 940 Non-Turbo (Federal)
  • BOSCH EZ116K
    • Notes
    • 940
  • BOSCH EZ129K
    • 850 Non-Turbo
  • MOTRONIC 1.8
    • 960 (Determining Whether Fault Is Fuel Or Ignition)
    • Checking Ground Connections
    • Voltage Supply To Ignition Coils
    • Cylinder Miss
    • Checking Firing Pulse At Ignition Coil
  • MOTRONIC 4.3
    • 850 Turbo (No Start)
• Idle Speed & Ignition Timing
• Summary