Flight Crew Air Transport Pilot (ATP)
Troubleshooting
Aircraft Equipment Problem Critical; Inflight Event / Encounter Fuel Issue
Air Traffic Control Provided Assistance; Flight Crew Landed in Emergency Condition; Flight Crew Returned To Departure Airport
Aircraft
Enroute ZZZ to ZZZ1 in IMC conditions; a right fuel annunciator illuminated. After turning on the boost pump; changing fuel tanks and checking gauges the fuel pressure and fuel flow continued to be erratic and unreliable. I then proceeded to secure the right engine; [advised] ZZZ Center and returned to ZZZ where VFR conditions existed and emergency personnel and equipment were available.
PA-31 Captain reported an issue with the right engine fuel pressure during cruise. Captain secured the engine and returned to the departure airport.