P0091

2722 - P0091

Information saved in
DME

Fault code
2722 - P0091

Fault text
Fuel-pressure sensor, signal

Fault description
Fuel Pressure Regulator 1 Control Circuit Low

Condition for fault identification
Test condition:
Sensor value < 0.5 bar (K_PKS_DIAG_MIN)
Terminal condition: TERM87
Voltage condition:
none

Condition for fault memory entry
5 ms

Action in service
1. Clear fault memory, PKS system test
2. Check plug and wiring harness to PKS
2. If OK, replace sensor

Fault effect and breakdown warning
MIL lamp comes on after engine runs 2x
CC message / display for governed rpm / reduced power

Driver information
Warning light:
MIL, EML, CC message, backup program

Service instruction
none