Join Now
International Automotive Technicians Network

P0191 Diagnostic Trouble Code Discussion for October 2011

Fuel Rail Pressure Sensor Performance


Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Trouble Ticket Help Requests for DTC P0191
Help Request Posted
2005 Ford E-350 Super Duty 5.4L No Start, MIL Lamp on VIN: 1FTSS34LX5
P0191: Fuel Rail Pressure Sensor Circuit Range/Performance. Hello All,This van does not start in the morning.The fuel pump, module, and fuel pressure sensor have all been replaced (OEM), it's on the third Motorcraft pump.Every time the engine is cranked, you can hear the pump run. Scan tool will show 0PSI.After persist...
October 06, 2011
2007 Chevrolet Silverado 1500 5.3L MIL Lamp on VIN: 1GCEC14C37
P0191: Fuel Rail Pressure Sensor Performance. While scanning fuel pump data, vehicle starts out at 58 psi & when fuel pump module decreases pump percentage to bring pressure to desired pressure of 44 psi actual only goes to 54 psi and code sets .
October 19, 2011
2007 Chevrolet Silverado 1500 5.3L MIL Lamp on VIN: 1GCEC14C37
P0191: Fuel Rail Pressure Sensor Performance. While scanning fuel pump data, vehicle starts out at 58 psi & when fuel pump module decreases pump percentage to bring pressure to desired pressure of 44 psi actual only goes to 54 psi and code sets .
October 20, 2011
2005 Ford E-350 Super Duty 5.4L No Start, MIL Lamp on VIN: 1FTSS34LX5
P0191: Fuel Rail Pressure Sensor Circuit Range/Performance. Hello All,This van does not start in the morning.The fuel pump, module, and fuel pressure sensor have all been replaced (OEM), it's on the third Motorcraft pump.Every time the engine is cranked, you can hear the pump run. Scan tool will show 0PSI.After persist...
October 06, 2011
2007 Chevrolet Silverado 1500 5.3L MIL Lamp on VIN: 1GCEC14C37
P0191: Fuel Rail Pressure Sensor Performance. While scanning fuel pump data, vehicle starts out at 58 psi & when fuel pump module decreases pump percentage to bring pressure to desired pressure of 44 psi actual only goes to 54 psi and code sets .
October 19, 2011
2007 Chevrolet Silverado 1500 5.3L MIL Lamp on VIN: 1GCEC14C37
P0191: Fuel Rail Pressure Sensor Performance. While scanning fuel pump data, vehicle starts out at 58 psi & when fuel pump module decreases pump percentage to bring pressure to desired pressure of 44 psi actual only goes to 54 psi and code sets .
October 20, 2011