Engine Controls - Basic Diagnostic Procedures - 4.0L & 4.6L

• Introduction
• Preliminary Inspection & Adjustments
  • Visual Inspection
  • Mechanical Inspection
    • Compression
    • Exhaust System Backpressure
• Fuel System
  • Fuel Pressure
    • Notes
    • Relieving Fuel Pressure
    • Regulated Fuel Pressure
  • Fuel Injector Resistance
• Ignition System
  • Spark
  • Ignition Coil Resistance
• Idle Speed & Mixture
• Ignition Timing
• Summary