Question about 2006 Ford Mustang

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Code P0191 low fuel pressure I replaced fuel pump fuel filter and fuel pump driver module I still have no pressure car starts then dies

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  • Gary M
    Gary M Nov 08, 2012

    is the fuel pump powering on? have you checked the relays?

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  • Ford Master
  • 76,164 Answers

You need the Ford dealer to run an active test on the system, it will cycle the fuel pump on and off and return problems found with the relay or other circuit.

Posted on Nov 08, 2012

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Posted on Jan 02, 2017

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SOURCE: 1998 ford explorer won,t run,can get started after

Follow the trouble chart

Your right, it could be anything

Would be nice, if everyone on here
understood that

Posted on Apr 01, 2011

  • 13 Answers

SOURCE: car dies after 30mins of

I have the same problem few days ago, and still didn't find any solution. Can any one please help?????21

Posted on Jul 28, 2011

  • 691 Answers

SOURCE: 2005 Ford explorer starts up

It's the fuel pump. Change it and the fuel filter. I doubt if any of the other items are faulty.

Posted on Aug 25, 2011

jaysonemanme
  • 500 Answers

SOURCE: 2004 mustang fuel pump issue, start car runs for a

sounds like the fuel pump is getting tired

Posted on Sep 11, 2011

SOURCE: turns over but wont start. have replaced plugs, fuel filter and fuel pump

did u push the reset button on the pasangers side behind the kickplate

Posted on Mar 12, 2012

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1 Answer

Vehicle CEL is on, various codes


P0300 is a random miss fire , a vacuum leak can cause this as well as low fuel pressure ! weak fuel pump , clogged fuel filter !
DTC P0171: Fuel Trim System Lean Bank 1
DTC P0174: Fuel Trim System Lean Bank 2 These two codes are saying the PCM - engine computer is see a lean condition .
DTC P0191: Fuel Rail Pressure (FRP) Sensor Performance
Circuit/System Description
The fuel pressure sensor is located on the fuel line. The fuel pressure sensor monitors the fuel pressure in the fuel line. The fuel pump flow control module (FPCM) monitors the voltage signal from the fuel pressure sensor.

You don't say what make , model an year vehicle ! These are for GM vehicles , yours could mean something else . Except the first three , those are genaric codes , same for all makes ! So can't say what this codes are P2097, and P2099 ! Can't mean this P2097 - Post Catalyst Fuel Trim System Too Rich Bank 1
P2099 - Post Catalyst Fuel Trim System Too Rich Bank 2

Sep 03, 2016 | Cars & Trucks

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

1 Answer

I previously posted my 2005 Ford Escape Hybrid had a code P0190 . I bought a scan tool and actually have two codes (P0191 and P1237).


p1237
- Fuel Pump Secondary Circuit (Fuel Pump Driver Module)
p0191
- Low or no fuel
- High fuel pressure
- Low fuel pressure
- Faulty Rail Pressure (FRP) Sensor
- FRP harness is open or shorted
- FRP circuit poor electrical connection
- Faulty Fuel Pump
- Vacuum leaks

Apr 25, 2014 | Cars & Trucks

1 Answer

P0191 code


not knowing what kind of car you have probably a ford fuel rail pressure is low culprits could be fuel filter; fuel pump fuel pressure regulator or even a faulty sensor i would start with the fuel filter

Nov 01, 2013 | Cars & Trucks

1 Answer

P0191 code - Intermittent stall - 2006 Ford Explorer 4.6


Sorry but you should take it to the dealer

Apr 18, 2017 | Cars & Trucks

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

Question about a P0191 DTC on a 2004 Ford Explorer XLT


What repairs can fix the P0191 code?

  • Replacing fuel filter(s) or fuel pump
  • Replacing the fuel pressure regulator
  • Repairing any broken, frayed, or shorted wires that lead to the fuel pressure sensor
  • Repairing corroded connector to the fuel pressure sensor
  • Replacing fuel pressure sensor
  • Repairing any vacuum leaks in the engine

    Many times this error will also occur if there already exists fuel/air problems, like your previous code 2106 means there are one or more components in your car's intake/exhaus/air/injection systems that is having serious problems

Mar 06, 2017 | Ford Explorer Cars & Trucks

1 Answer

Hi. I have a 2003 Ford Focus LX. A few weeks ago, I was driving back to Florida from South Carolina. About six hours into the drive, my car stopped accelerating. I would push down on the gas pedal and...


Diagnostic Test code (DTC) P0191 has a generic description which reads "Fuel Rail Pressure (FRP)Sensor Circuit Performance"

This code sets when the Powertrain Control Module (PCM) is monitoring the fuel rail pressure sensor signal under certain driving conditions. The FRP sensor varies return voltage to the PCM to indicate the fuel pressure at the fuel rail on the engine. DTC P0191 sets when the voltage received from the FRP is above or below the expected "range" or "threshold".

The possible causes of this code are:

> High fuel pressure
> Low fuel pressure
> Damaged Fuel Rail Pressure Sensor (FRP)
> Excessive resistance in FRP circuits.
> Low or no fuel

With all of that said, I would recommend that if you have more than 30,000 miles on your current fuel filter, I would try that FIRST. Replace the filter and clear the code. If the code returns, then diagnostics will need to be performed to find the actual cause.

Aug 11, 2011 | 2002 Ford Taurus

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