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P0191 Diagnostic Trouble Code Discussion for February 2010

Fuel Rail Pressure Sensor Performance

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Trouble Ticket Help Requests for DTC P0191
Help Request Posted
2003 Ford Taurus SE 3.0L No Start VIN: 1FAFP55S43
P0191: Fuel rail performance issue. This car problem comes & goes. Customer may be in traffic and it shuts off and will not re-start. Let it sit a moment and it will start and run normal for about a month.No MIL on. Well this time it finally came on w/ the code above. When I test fuel press....
February 18, 2010
2005 Ford Excursion XLT 5.4L No Start, Stall VIN: 1FMPU16545
P0191: fuel rail performance. currently checking pin tension/connector integrity at fuel pump driver module. There are no PATS key dtc's. has anyone seen something similar that i can check and rule out. veh. is currently starting and running right now but i do not trust it enough to delive...
February 18, 2010