P008B

11A201 - P008B

Information saved in
DME

Fault code
11A201 - P008B

Fault text
Fuel low-pressure system, fuel pressure: pressure too high

Fault description
The diagnostic function monitors the pressure in the low-
pressure fuel system.

Condition for fault identification
Test condition:
The fault is recognized when the actual pressure in the low-
pressure fuel system is consistently above the specified
pressure.
Potential problem source(s):
- Collateral fault
- Defect in low-pressure sensor
Terminal condition: none
Voltage condition:
- None
Temperature condition:
- None
Time condition:
- 3 sec. after engine on
Other conditions:
- Engine on

Condition for fault memory entry
The fault is logged in the fault memory if it remains
continuously present for longer than 5 sec.

Action in service
- Determine whether diagnostic fault codes for the fuel
pump control are logged
- Use IMIB to check low-pressure sensor, if the two figures
deviate by more than 550 mbar then replace the low-
pressure sensor
- Testing operation of fuel system: If a fault is found, then
repair the fault and delete the adaptation data for low-
pressure fuel system control; if no fault is discovered and the
fault frequency is as great as 3, then delete the adaptation
data for the low-pressure fuel system control and take no
additional action; if no fault is discovered and the fault
frequency is > 3, then contact Technical Support

Fault effect and breakdown warning
Breakdown notice:
- none
Possible apparent symptoms:
- none

Driver information
Warning light:
- ECE emissions warning lamp: off
- US emissions warning lamp: off
- ECE electronic engine power reduction: off
- US electronic engine power reduction: off
- CC message: none

Service instruction
- none