Top 10 7.3 Diesel Hard Start / No Start Diagnostic Procedures

Top 10 things to check when diagnosing a Hard or No start condition on a 7.3 Power Stroke Diesel.
There are quite a few things that may cause the 7.3 V8 diesel engine to not start. Usually it’s pretty basic stuff, but tracking down the issue can be a headache without a good starting point. If your Ford 7.3L Power Stroke diesel engine isn’t starting check the following items:
- Visual Engine / Chassis Inspection
- Check Engine Oil Level
- Intake / Exhaust Restriction
- Sufficient Clean Fuel
- Fuel Pump Pressure
- Perform KOEO On-Demand Self Test
- Retrieve / Clear Continuous DTCs
- KOEO Injector Electrical Self Test
- Check VPWR During Cranking
- Glow Plug System Operation
- Visual Engine / Chassis Inspection
- Check Engine Oil Level
- Check for Intake / Exhaust Restriction
- Sufficient Clean Fuel
- Fuel Pump Pressure
- Perform KOEO On-Demand Self Test
- Retrieve / Clear Continuous DTCs
- KOEO Injector Electrical Self Test (Injector Buzz Test)
- Check VPWR During Cranking
- Glow Plug System Operation