Recommended Procedure

WARNING: This page is about a different car, the 2008 Ford Pickup, 2008 Ford F550 Super Duty, 2008 Ford F450 Super Duty, and 2008 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Verify the high pressure fuel system has no entrapped air before beginning this procedure. For additional information, refer to FUEL SYSTEM - GENERAL INFORMATION - GASOLINE AND DIESEL -- F-250-550 (SUPER DUTY PICKUPS) .

NOTE: Carry out this test only when directed here from another procedure or DTC. For a cranks no start condition with or without DTCs, carry out the Alternate Procedure.

NOTE: Additional DTCs may result during this procedure.

Method	Check
Visual

NOTE: While carrying out the High Pressure Fuel System Test, at the first sign of a fuel leak immediately abort the test. Refer to the scan tool manufacturers article for instructions.

Install the oil pan drain plug and fill the engine with 14.19 liters (15 quarts) of engine oil.
Bleed the high pressure fuel system. Refer to FUEL SYSTEM - GENERAL INFORMATION - GASOLINE AND DIESEL -- F-250-550 (SUPER DUTY PICKUPS) . If air bubbles are present, complete the Fuel System Bleeding - High Pressure, Diesel Engine and retest. If the concern or DTC is still present continue with this test.
Key ON, engine running.
Access the PCM and monitor the RPM, FRP and FRP_DSD PIDs.
Access the PCM and command the RPM to 1,500.
Access the PCM and command the FRP_DSD to 169.96 MPa (24,650 PSI).
Maintain the RPM and FRP_DSD for 10 minutes.
Key in the OFF position.
Allow the engine to remain OFF for 5 minutes.
Check for the correct oil level using the dipstick with the vehicle on level ground.
If the engine oil level is not overfull, continue with the Alternate Procedure.
If the engine oil level is overfull due to diesel fuel contamination, remove the right hand and left hand valve covers. Refer to ENGINE - 6.4L DIESEL -- F-250-550 (SUPER DUTY PICKUPS) , Valve Cover. Check the fuel lines, fuel line connections and fuel injectors for leaks, cracks, and correct installation. If a concern is present, repair as necessary. Check the turbocharger bearings. Refer to the Workshop article part 303-04, Turbocharger, Bearing Clearance Check.
Key ON, engine running.
Carry out the High Pressure Fuel System Test on the scan tool. Check the fuel lines, fuel line connections and fuel injectors for leaks during the test. If a concern is present, repair as necessary.
If no concern is present, carry out the Alternate Procedure.