P000F - Fuel System Over Pressure Relief Valve Activated
When Monitored and Set Conditions
When Monitored: This diagnostic runs continuously when the following conditions are met:
- With the engine running.
- The Powertrain Control Module (PCM) has detects that the fuel pressure has deviated at a higher rate than the calibrated threshold. This DTC will cause active regeneration to be disabled.
- The MIL will illuminate.
- PRESSURE LIMITING VALVE
- LIFT PUMP
- HIGH PRESSURE PUMP
- EXCESSIVE INJECTOR DRAINS
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. (Refer to 28 - DTCBased Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure).
CHECK THE FUEL DELIVERY SYSTEM
1. (Refer to 29 - Non-DTC Diagnostics/Drivability - Diesel - Diagnosis and Testing) and perform the CHECKING THE FUEL DELIVERY SYSTEM diagnostic procedure.
Were any problems found?
Repair as necessary.
Perform the INTERMITTENT CONDITION diagnostic procedure. (Refer to 28 - DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure).