Section 746 (Engine Controls - Diagnostic Subroutines - 6.0L Diesel (99P E-Series & 99P F450/550))
WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2004 Ford RV Cutaway, 2004 Ford Pickup, 2004 Ford F550 Super Duty, 2004 Ford F450 Super Duty, and 2004 Ford Excursion. However, it is still accessible from the selected car via links, so may be relevant.
- Hard Start/No Start Diagnostic Procedures
- Notes
- 1. Visual Engine/Chassis Inspection
- 2. Check Engine Oil Level
- 3. Intake/Exhaust Restriction
- 4. Sufficient Clean Fuel
- 5. Electric Fuel Pump Pressure
- 6. Electric Fuel Pump Inlet Restriction
- 7. Perform Key On Engine Off (KOEO) On-Demand Self-Test
- 8. Retrieve Continuous DTCs
- 9. KOEO Injector Electrical Self-Test (Click Test)
- 10a. Check VPWR During Cranking
- 10b and 10c. Check FICM Power During Cranking
- 10d. Check The RPM Signal While Cranking
- 10e. and 10f. Monitor The ICP While Cranking
- Purpose:
- Recommended Procedure:
- Possible Causes:
- Recommended Procedure: (F-Super Duty/Excursion - Early Build)
- IPR and High Pressure Pump Test (F-Super Duty/Excursion - Early Build)
- Recommended Procedure (E-Series or F-Super Duty/Excursion - Late Build)
- IPR And High Pressure Pump Test (E-Series or F-Super Duty/Excursion - Late Build)
- Tools Required:
- 10g. Check Fuel Pulse Width While Cranking
- 10h. Check FICM Synchronization While Cranking
- 11. Glow Plug System Operation
- Performance Diagnostic Procedures
- F-Super Duty/Excursion - Early Build (Built Before 9/2003)
- E-Series or F-Super Duty/Excursion - Late Build (Built After 9/2003)
- 1. Visual Engine/Chassis Inspection
- 2. Sufficient Clean Fuel
- 3. Check Engine Oil Level
- 4. Perform KOEO On-Demand Self-Test
- 5. Retrieve Continuous DTCs
- 6. KOEO Injector Electrical Self-Test (Click Test)
- 7. Intake Restriction
- 8. EGR Position
- 9. Exhaust Restriction
- 10a. Electric Fuel Pump Pressure
- 10b. Electric Fuel Pump Inlet Restriction
- 10c: Fuel Aeration Test
- 11. Perform KOER On-Demand Self Test
- 12a. Low Idle Stability (ICP Pressure)
- 12b. Injection Pressure Regulator Test
- 13. Boost Pressure Test
- 14. Crankcase Pressure Test
- 15. Oil Aeration Test
- Diagnostic Trouble Code (DTC) Descriptions
- Injector Interrupt for Enhanced Diagnostics