Operating instructions

081 – AL Rail Leakage
ZKP-Number: 1.8004.046
Cause Corrective action
Pressure gradient in common rail
too low during engine start or too
high during engine stop; HP fuel
system leaky, air in system.
u Contact Service.
082 – HI P-Fuel (Common Rail)
ZKP-Number: 2.0104.931
Cause Corrective action
Rail pressure > set-point value;
DBR reduction, start of injection
moved to late; suction restrictor
jamming or wiring of suction
restrictor faulty.
u Contact Service.
083 – LO P-Fuel (Common Rail)
ZKP-Number: 2.0104.921
Cause Corrective action
Rail pressure > set-point value;
DBR reduction, suction restrictor
faulty or leak in HP fuel system.
u Contact Service.
085 – HI T-Recirculation
ZKP-Number: 2.0128.931
Limit value 1
Cause Corrective action
Recirculation temperature too
high.
u Reduce power.
086 – HI T-Recirculation
ZKP-Number: 2.0128.932
Limit value 2
Cause Corrective action
Recirculation temperature too
high.
u Reduce power.
089 – SS Engine Speed too Low
ZKP-Number: 2.2500.030
Cause Corrective action
Engine speed too low. u Check for additional messages.
62 | Troubleshooting | MS150093/01E 2012-06
TIM-ID: 0000008506 - 001