P0191 Diagnostic Trouble Code Discussion for March 2018
Fuel Rail Pressure Sensor Performance
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| Help Request | Posted | |
| 2009 Ford F-350 Super Duty FX4 6.8L No Start VIN: 1FTSW31Y39 PCM doesnt turn on fuel pump except just enough to make about 5-7lbs of fuel pressure then the engine will start then dies when that fuel pressure is gone. I have a light bulb hooked up the fuel pump control wire at the fuel pump driver module and the ligh... |
March 03, 2018 | |
| 2007 Ford E-250 5.4L No Start VIN: 1FTNE24L47 P0191: Fuel rail pressure sensor circuit A. The problem we are having is that this will not start cold with out help (starting fluid) once started will run fine and restart all day till sits over night. Hooked up scan tool and check all pids cold all seam good. Did notice that desired frp and actual... |
March 08, 2018 |
