Volvo All Engines (2017 Emissions) Fault Code: P055F00 PID: EMS Engine Oil Pressure Out of Range
Volvo All Engines (2017 Emissions) Fault Code: P055F00 PID: EMS Engine Oil Pressure Out of Range
The Engine Oil Pressure Sensor is used to detect engine lubrication system failures. The sensor consists of a pressure sensitive diaphragm and amplifier. Engine oil pressure causes the sensor’s diaphragm to deflect and produce an electrical signal proportional to the pressure. The diaphragm deflection signal is amplified in the sensor.
The sensor’s signal is monitored by the Engine Control Module (ECM).
The engine control module (ECM) will set a diagnostic trouble code (DTC) and derate the engine to avoid engine damage if the sensor signal is not within predetermined limits, or the signal is not rational.
Conditions for diagnostic trouble code (DTC):
1) The voltage at pin A14.EB:11 is less than 0.3 V
Observable symptoms
1) The engine oil pressure (EOP) gauge shows 0 when the engine is running
2) Loss of power
Probable cause
1) Open circuit, Signal wire
2) Open circuit, Supply wire
3) Short circuit to ground, Signal wire
4) Engine oil pressure (EOP) sensor
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