Maintenance manual for sunray hfc4da1-2c china-IV diesel engines
132
Fault Tree:
Read DTC.
Fault of fuel metering unit
Repair accordingly.
Check the common rail pressure
sensor.
Fault of common rail pressure
sensor
Repair accordingly.
Repair accordingly.
Fault of the low pressure oil
circuit
Fault of the high pressure oil
circuit
Repair the harness.
Get the Technical Support.
Check the low pressure oil circuit
by referring to fault tree of “Low
Pressure Oil Circuit”.
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