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P0191 Diagnostic Trouble Code Discussion for February 2008

Fuel Rail Pressure Sensor Performance


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Trouble Ticket Help Requests for DTC P0191
Help Request Posted
2007 Ford Focus SES 2.0L Excessive Emissions, Cuts out, Stall, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1FAHP36N77
P0191: Fuel Rail Pressure Range. Today, the car started-up right away and while it seems to run ok, there is some noted problems. The O2 is lazy. It looks like the car has only traveled 45 miles on a half tank of gas and there is soot all over the car. There is a slight mis-fire under accel....
February 01, 2008
2007 Ford Focus SES 2.0L Excessive Emissions, Cuts out, Stall, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1FAHP36N77
P0191: Fuel Rail Pressure Range. Today, the car started-up right away and while it seems to run ok, there is some noted problems. The O2 is lazy. It looks like the car has only traveled 45 miles on a half tank of gas and there is soot all over the car. There is a slight mis-fire under accel....
February 04, 2008