Engine Controls - Basic Testing

• Introduction
• Visual Inspection
• Mechanical Inspection
  • Compression
  • Exhaust System BACKPRESSURE
• Fuel Pressure
  • Notes
  • Fuel Pressure Release (4.0L PFI)
  • Fuel System Pressure Test (2.5L)
  • Fuel System Pressure Test (4.0L)
  • Fuel Pump Pressure Test (4.2L & 5.9L)
  • Capacity (Volume) Test (4.2L & 5.9L)
• Testing Spark At Coil
• Spark Plug & Coil Wire Resistance
• Failure To Start Test
  • Notes
  • 2.5L & 4.0L
  • 4.2L & 5.9L
  • Ignition Coil Cranking Test (4.2L & 5.9L)
  • Ignition Coil Resistance Test (4.2L & 5.9L)
• Idle Speed & Ignition Timing
  • Notes
  • Idle Rpm Test
• Summary