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P0191 code in dodge2500. sensor or pump?

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I'm getting a p0191 sensor 1 on my 2007 explorer. Replaced maf sensor + fuel pressure sensor + fuel pump. Light comes on when engine warm +and then hard to start.


P0191 Ford Fuel Rail Pressure Sensor Circuit Range Performance

SENSOR 1 ??????????? There is no sensor one involved here . After replacing all those parts an not fixing the problem ,suggest you take it to a qualified repair shop. The proper thing to do would be to do the diagnostic's for code P0191 . Do you know what a factory diagnostic flow chart is ? How to test electrical circuits ?

Jan 16, 2017 | 2007 Ford Explorer

1 Answer

My 2007 Toyota isis iaz.read code P0191


Anon, Trouble code P0191, You may need a good tech. with scan tool to read and test system.
  • Fuel Rail Pressure Sensor Circuit Range/Performance,computer see's signal from the Fuel Rail Pressure Sensor and/or its circuit is sending erratic readings, indicating a fuel pressure condition that is abnormal. Problems could be out of gas, leaking fuel, faulty fuel pressure sensor, bad wire or plug in circuit,fuel pressure regulator, the fuel pump could be faulty also. Check the attached links,instruction and guides, Good luck
    "I hope this helped you out, if so let me know by pressing the helpful button. Check out some of my other posts if you need more tips and info."
P0191 OBD II Trouble Code

P0191 Fuel Rail Pressure Sensor Circuit Range Performance

RAV4 2001 Trouble Code p0191 probable solution Toyota Nation Forum Toyota...

code P0191 2007 Toyota Google Search

May 03, 2016 | Toyota Cars & Trucks

2 Answers

Codes P0191,P069E


P0191 is injector pressure sensor system performance. Nothing on the other code with the letter mixed in. I would erase it and see if it comes back.

Apr 14, 2015 | 2007 Chevrolet Chevrolet Silverado 1500

1 Answer

How do I fix code P0191 on 2013 duramax?


code p0191 refers to rail pressure(FRP) sensor--range/performance problem===causes-- wiring-- FRP sensor.
check for air in the fuel system after a filter change
check FRP sensor and wiring is connected properly.

Mar 06, 2015 | Cars & Trucks

2 Answers

Why am I getting P0191, P2198 & P2196 error codes on my 2005 FORD FREESTAR 3.9L?


first change gaz filter...
Replace fps(fuel pressure sensor)

Sep 01, 2014 | 2005 Ford Freestar

1 Answer

P0191


You need to have the fuel pressure checked, to see if the fuel pump or fuel filter may have a problem. The code is for the Fuel Rail Pressure sensor, and the reading from it is out of range.

Aug 03, 2014 | 2005 Ford Five Hundred

2 Answers

Code p0191


P0191 FORD - Fuel Rail Pressure Sensor Circuit Range/Performancexicon.jpghttp://engine-codes.com/p0191_ford.htmlForum CodePossible causes- High fuel pressure
- Low fuel pressure
- Damaged FRP sensor
- Excessive resistance in the circuit
- Low or no fuel
- Wiring harness connector of the fuel pressure sensor
- Fuel Rail Pressure Sensor
- Fuel
- Vacuum leaks

Jul 04, 2012 | 2003 Ford Taurus

1 Answer

Hi my boxer van hasgot a fuel problem i've had it put on to a computer and the fault code is p0191


Code P0191 is fuel range pressure fault. It could be a problem with the fuel pressure sensor or connections/installation.
You need to check if the fuel pump is working and if so, at what pressure, it may be a faulty pump.
hope this helps

Nov 05, 2009 | 2005 Peugeot 405

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