(DME) Condition For Fault ID - 1

27CE - P0191

Information saved in
DME

Fault code
27CE - P0191

Fault text
Fuel pressure/model comparison

Fault description
Fuel Rail Pressure Sensor 'A' Circuit Range/Performance

Condition for fault identification
Test condition:
Fuel pressure deviates from calculated model pressure by
more than allowed threshold
Terminal condition: Engine running
Voltage condition:
Battery voltage > 10.9V (k_pks_obd_ub_min)

Condition for fault memory entry
10000 ms

Action in service
1. Carry out test routine
2. Check fuel filter, replace as indicated
3. Check plug and wiring harness at fuel pressure sensor,
replace as indicated, check sensor and replace as indicated
4. Check plug and wiring harness at the fuel pump, check
pump and replace as indicated

Fault effect and breakdown warning
MIL on after engine runs 2x

Driver information
Warning light:
MIL

Service instruction
none