P0191 Diagnostic Trouble Code Discussion for October 2015
Fuel Rail Pressure Sensor Performance
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| Help Request | Posted | |
| 2010 Ford F-450 Super Duty XL 6.8L MIL Lamp on, Lacks Power VIN: 1FDXF4GY0A P0191: Fuel Rail Pressure Sensor A Circuit Range Performance. ... Found that the spark plugs were severely worn and fuel filter was clogged. Test drove vehicle and power returned. Vehicle came back in about a week with similar problem but not as bad. Found that fuel pressure was lower than normal under load and CEL on wi... |
October 22, 2015 |
