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P0191 Diagnostic Trouble Code Discussion for October 2014

Fuel Rail Pressure Sensor Performance


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Trouble Ticket Help Requests for DTC P0191
Help Request Posted
2005 Ford Taurus SE 3.0L MIL Lamp on VIN: 1FAFP53235
P0191: . The check trans light comes on when the cooling fans are on high speed.The trans fluid temp sensor drops down to zero volts when the fan goes to high.The fans also change speeds back and forth when ect sensor is hooked up.When I unhook ect sensor the fans go t...
October 03, 2014
2005 Ford Taurus SE 3.0L MIL Lamp on VIN: 1FAFP53235
P0191: . The check trans light comes on when the cooling fans are on high speed.The trans fluid temp sensor drops down to zero volts when the fan goes to high.The fans also change speeds back and forth when ect sensor is hooked up.When I unhook ect sensor the fans go t...
October 04, 2014
2006 Ford E-450 Super Duty 6.8L Stall VIN: 1FDXE45S46
P0191: Fuel rail pressure sensor a circuit range performance - history code. Good morning one and all this is a new customer, van is used for delivery of baked goods - aprox 200 miles a day. Problem: drivers complain of intermittent engine stall out, always at idle - foot off the accelerator pedal, usually when turning, sometimes just...
October 21, 2014