Engine Controls - 6.5L - Troubleshooting

• Symptoms - Engine Controls
  • Before Using This Section
  • Visual and Physical Checks
  • Verify Customer's Concern
• Intermittent Conditions
  • Notes
  • Preliminary Checks
  • Electrical Connections or Wiring
  • Road Test
  • Intermittent Malfunction Indicator Lamp (MIL)
  • Loss of DTC Memory
  • Additional Checks
• Hard Start
• Surges/Chuggles
• Lack of Power, Sluggishness, or Sponginess
• Fuel Knock/Combustion Noise
• Hesitation, Sag, Stumble
• Cuts Out, Misses
• Poor Fuel Economy
• Excessive Smoke
• Water-in-Fuel Lamp Inoperative
  • Circuit Description
  • Test Description
• Water-in-Fuel Lamp Always On
  • Circuit Description
  • Test Description
• Engine Cranks but Does Not Run
  • Circuit Description
  • Diagnostic Aids
  • Test Description
• Fuel Pump Electrical Circuit Diagnosis
  • Circuit Description
  • Test Description
• Fuel System Diagnosis
  • Notes
  • Fuel Lift Pump Flow Check
  • Fuel Lift Pump Suction Line Check
  • Fuel Lift Pump Pressure Check
  • Fuel System Air Leak Check
  • Fuel Lift Pump Electrical Circuit
• Fuel Tank Leak Test
  • Notes
  • Leak Check Procedure
• Fuel Injection Nozzle Diagnosis
  • Notes
  • Injector Balance Test
  • Nozzle Opening Pressure Test
  • Nozzle Leak Test
• Contaminants-in-Fuel Diagnosis
  • Notes
  • Cleaning Water from the Fuel System
  • Cleaning Gasoline from the Fuel System
• Fuel Heater Inoperative
  • Circuit Description
  • Test Description
• Glow Plug System Diagnosis
  • Circuit Description
  • Diagnostic Aids
  • Test Description