Engine Oil Pressure Low – Warning
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Overview
CODE | REASON | EFFECT |
Fault Code: 143 PID: P100 SPN: 100 FMI: 1/18 LAMP: Amber SRT: |
Engine Oil Pressure Low – Warning. Engine oil pressure signal indicates engine oil pressure is below the engine protection warning limit. |
Progressive power derate increasing in severity from time of alert. |
Engine Oil Pressure
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Circuit Description
The engine oil pressure and engine temperature sensors are used by the electronic control module (ECM) to monitor the lubricating oil pressure. The ECM monitors the voltage on the signal pin and converts this to a pressure value. The oil pressure value is used by the ECM for the engine protection system.
Component Location
The engine oil pressure and engine temperature sensors are located on the cylinder block to the left of the fuel filter, behind the air compressor. See Section E for a detailed component location view.
Refer to Troubleshooting Fault Code t05-143.