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Home >> Jeep >> 2018 >> Grand Cherokee Laredo, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 13 (3.0L Turbo Diesel (Service Information)) >> Lubrication >> Sensor, Oil Pressure >> Operation

Sensor, Oil Pressure: Operation

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The engine oil pressure sensor receives a 5- volt reference from the PCM. The sensor ground is also provided by the PCM. The sensor output voltage varies from 0.5 to 4.5 volts depending on engine oil pressure.