P0494
Read the instructions below then start the fault diagnostic procedure.
Symptom:
| P0494 | 
Fuel Pressure Too Low
On-Board Diagnostics
Fault criteria:
| - | 
        The control module identifies a mechanical fault in the following components using internal evaluation logic:
         Fuel system's high-pressure side  | 
      |
For more information, see also:
- "Read Values" menu for a description of read values.
- "Activate" menu for a description of applications.
