E39 / P228D 00
Read the instructions below then
start the fault diagnostic procedure.
Symptom: Malfunction Indicator Lamp
Fuel Rail Pressure too High
Fault symptom
Malfunction Indicator Lamp
On-board diagnosis
Type of diagnosis:
Enable criteria:
| The following diagnostic trouble codes may not be generated: |
| P0116, P0117, P0118, P0119 |
| Battery voltage must be between 11 - 16 V. |
| Fuel pressure on the low pressure side above 250 KPa. |
| Atmospheric pressure more than 62 kPa. |
| Intake air temperature above -10.5°C. |
Fault criteria:
| The current fuel pressure is 30 bar higher than the requested fuel pressure. |
Fault handling:
| (See section Fault handling III, "Other emission-related components and functions" for more information.) |
Diagnostic help
Functions in the diagnostic tool related to the fault:
| Requested Fuel Rail Pressure |
| (See also description of readings/activations in diagnostic tool) |