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1995 Ford F-150 Base Reg Cab 116.8 WB

1995 Ford F-150
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November 9, 2012, 11:38 am

Herman H

Question: Ford f150 wont start

Problem with 2006 Ford F150 xlt 4.6 v8 4x4, Wont start. Threw a p191 code (fuel pressure). We replaced the Driver control module, pump, and filter, still wont start and is still throwing code. Truck is stock

November 17, 2012, 6:03 pm

Ron W
Expert Mechanic

P0191 - Fuel Rail Pressure Sensor Circuit Range/Performance

Here is a link to specifics about that code.

It could be the sensor itself causing the issue. You might try unplugging it and see if the car starts. Many times if you unplug the suspect sensor, the computer see the open circuit, set a code and uses a calculated value for the sensor since it knows it isn't working correctly. If the truck starts, I'd replace the sensor and clear the codes. If it doesn't, you probably will need a shop to look at it.

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