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Home >> Chrysler >> 2011 >> 300 C, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1658 (5.7L CNG - DTCS P0507 To P1456 - 2500 Hd) >> DTC Troubleshooting >> P0521-Engine Oil Pressure Sensor Performance >> When Monitored

When Monitored

WARNING: This page is about a different car, the 2017 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.

The Powertrain Control Module (PCM) monitors the functionality of the Engine Oil Pressure Sensor by comparing the change oil pressure at between zero RPM (zero pressure) to the oil pressure above 1150 RPM.

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