Volvo All Engines (2017 Emissions) Fault Code: P052064 PID: EMS Engine Oil Pressure Sensor/Switch “A”
Volvo All Engines (2017 Emissions) Fault Code: P052064 PID: EMS Engine Oil Pressure Sensor/Switch “A”
Circuit description
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)
Sensor value differs from estimated value
Observable symptoms
Engine de-rated
Probable cause
1) Connector
2) Engine wiring harness
3) Engine oil pressure (EOP) sensor
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