Good afternoon.
Your readings are normal. Below are the specs for you to view.
Roy
1. Ignition off, all accessories off, install a CH-48027. Refer to Fuel Pressure Gauge Installation and Removal (See: Fuel Pressure > Component Tests and General Diagnostics > Fuel Pressure Gauge Installation and Removal).
2. Ignition on, engine off, command the fuel pump on with a scan tool. Verify the fuel pressure is between 345-690 kPa (50-100 psi) with the pump running.
3. Engine on with the engine idling at normal operating temperature, the Fuel Rail Pressure Sensor parameter should read between 296.4-310.3 kPa (43-45 psi).
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Monday, March 5th, 2018 AT 11:09 AM