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P0191 Diagnostic Trouble Code Discussion for March 2011

Fuel Rail Pressure Sensor Performance

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Trouble Ticket Help Requests for DTC P0191
Help Request Posted
2005 Ford E-350 Super Duty 5.4L Poor Idle Quality, Hesitation, Surge, Misfire, MIL Lamp on VIN: 1FDSE35L15
... rail performance). Replace fuel rail sensor. Check fuel pressure found to be 18 psi. Replace fuel pump and fuel filter. Checked fuel pressure again and had 38 psi at idle. Test drove vehicle again MIL came back on with p0305, and p0316 codes. Changed #5 co...
March 15, 2011