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Home >> Chrysler >> 2011 >> 300 C, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1657 (5.7L CNG - DTCS P01A0 To P0506 - 2500 Hd) >> DTC Troubleshooting >> P01A8-Alternative Fuel Rail System Pressure Too Low >> 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.

With the engine running in CNG fuel mode, CNG Shutoff Relay energized, engine coolant temperature above -7°C (19.4°F) and no active CNG Rail Pressure Sensor circuit faults.