Page 362 - Foton Workshop Manual - Tunland (AT)
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04-216 DIAGNOSTICS - ENGINE CONTROL SYSTEM
P553，P559，P1911-INJECTOR METERING OIL RAIL 1
PRESSURE SENSOR FAULT
P553-FUEL INJECTOR METERING OIL RAIL 1 PRESSURE- DATA
IS VALID BUT ABOVE NORMAL OPERATING RANGE - MEDIUM
04 SEVERITY LEVEL
P559-FUEL INJECTOR METERING OIL RAIL 1 PRESSURE- DATA
IS VALID BUT ABOVE NORMAL OPERATING RANGE - MEDIUM
SEVERITY LEVEL
P1911-FUEL INJECTOR METERING OIL RAIL 1 PRESSURE- DATA
IS VALID BUT ABOVE NORMAL OPERATING RANGE - HIGHEST
SEVERITY LEVEL
Description
1 . The engine control module (ECM) monitor the operation condition of the engine,
including reading the fuel rail pressure, and change the instructions of flow to
increase (turn on fuel pump actuator) or decrease (turn off fuel pump actuator)
of the high-pressure pump fuel supply.
Circuit Diagram
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