Question about 2005 Ford Escape

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I have a 2005 Escape and have 2 fuel sensors problem. P0193 and PO454, can I buy these and replace myself, or just better taking to Ford Service?

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Buy a haynes or chilton manual, if your mechanically inclined yes you can do this with the right tools.

Posted on Mar 31, 2011


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Recommend replace fuel rail pressure sensor, make sure connector and wiring are good, clear codes and recheck.

Jan 11, 2014 | 2005 Ford Focus ZX3

2 Answers

P0193 - fuel rail pressure sensor circuit high input

Possible causes- Excessive resistance in the circuit
- Low or no fuel
- Wiring harness connector of the fuel pressure sensor
- Fuel Rail Pressure Sensor
- Fuel Pump
help.png Help with thisSymptoms- Engine Light ON (or Service Engine Soon Warning Light)
- Engine will not startP0193 DescriptionThe Fuel Rail Pressure (FRP) sensor is a diaphragm strain gauge device in which resistance changes with pressure. The electrical resistance of a strain gauge increases as pressure increases, and the resistance decreases as the pressure decreases. The varying resistance affects the voltage drop across the sensor terminals and provides electrical signal to the Powertrain Control Module (PCM) corresponding to pressure.

Strain gauge type sensors are consider passive sensors. A passive sensor is connected to a voltage divider network so that varying the resistance of the passive sensor causes a variation in total current flow.

Voltage that is dropped across a fixed resistor in series with the sensor resistor determines the voltage signal at the PCM. This voltage signal is equal to the reference voltage minus the voltage drop across the fixed resistor.

The FRP sensor measures the pressure of the fuel near the fuel injectors. This signal is used by the PCM to adjust the fuel injector pulse width and meter fuel to each combustion cylinder.P0193 Information for specific makesP0193 FORD
Need more help?Do you need more help with the P0193 code? ask a question to all or users or search the top hand picked automotive forums for more information

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Help Engine-Codes.comHelp us improve leave a comment below. Did the information help you fixing the P0193 code? What are the symptoms for the P0193 code? Have you replaced any parts?
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Sep 10, 2012 | 2005 Hyundai Tucson

3 Answers

Code p0193

first find out what the code is for. call autozone and tell them to look up the code and they will be able to give you a list of possiable causes, then go on and make your decision as to what you are going to do to fix the problem

Jun 03, 2012 | 2005 Ford Escape

1 Answer

Diagnostic code p0193

P0193 FORD - Fuel Rail Pressure Sensor Circuit High Input
Symptoms - Engine Light ON (or Service Engine Soon Warning Light)
- Engine will not start Possible causes - Excessive resistance in the circuit
- Low or no fuel
- Wiring harness connector of the fuel pressure sensor
- Fuel Rail Pressure Sensor
- Fuel Pump

Mar 17, 2012 | 2004 Ford Explorer Sport Trac

2 Answers

Getting p0193 code for my 2005 ford freestar se

P0193 is "Fuel Rail Pressure Sensor Circuit High Input"
Meaning: Car's computer is reading input voltage from the FRP (Fuel Rail Pressure) sensor as
voltage out of the acceptable range, because the voltage is too above the acceptable range.

assuming you are running gasoline...

check for fuel in the vacuum hose of the FRP sensor after running engine at idle for 2 minutes. if not, check fuel pressure. Check fuel pressure by connecting a fuel pressure gauge to the Schrader
connector on the fuel rail, which you will find under a small (black, usually) plastic protective cap.

If the fuel pressure is indeed too high, your fuel pressure regulator has gone bad.

if fuel pressure is good, check voltage between Sensor connector Vref (Pin#3 LB (light blue)) and
Signal Return (Pin#4 GY/RD (gray/red)), which should be 4.0V-5.5V with key ON.
The acceptable voltage range from the FRP sensor to the car's computer is 4.0-5.5 volts.
What the P0193 code is saying is that the voltage from the FRP sensor is over 5.5 volts,
and therefore it's "High Input."

If voltage from the FRP sensor is bad (out of range high, presumably), then replace the FRP
sensor and reset the OBD-II code.

If the voltage output from the FRP sensor is also good, the car's computer is kaflooey, so
you'd need to replace the car computer (which is costly), so replace the car's computer as a
last resort.

Jun 21, 2011 | 2005 Ford Freestar

2 Answers

I have a 2005 Ford Escape that gave a P0193 code, the car seems to not go when you put the pedal to the floor. Only has about 75000 miles

  • P0193 Fuel Rail Pressure Sensor Circuit High Input. This can be fixed by replacing the sensor. More than likely it has gone bad for some reason (it's hard to tell exactly what caused it).

  • Have a good one!

    Feb 21, 2011 | 2005 Ford Escape

    2 Answers

    Hello, I have A 2005 Ford Escape that threw a code P0193. Wondering What would be the most likely problem. has 119000 miles. thanks

    Two common things can cause this code. High fuel pressure or a bad fuel pressure sensor. The easiest thing you can do is replace the sensor. It is located on the fuel rail on the passenger side of the engine. It will have a vacuum hose and a connector plugged into it. The part is available from the dealer for about a $100. A basic set of tools and about 1/2 hour are all that is needed to replace.

    The fuel line will be under pressure so be aware that fuel will spray all over the place when you remove the sensor. There should be a test port near the sensor with a black plastic cap. If you remove the cap you will be able to push in the schrader valve and release the pressure. Again watch yourself and have some rags handy to catch the fuel spray that comes out of the test port.

    Nov 17, 2010 | 2005 Ford Escape

    1 Answer

    DTC P0193 2005 Taurus, Where do we start to look.

    P0193 means that the fuel rail pressure sensor is out of spec

    most common problems are...
    FRP signal shorted to VREF or VPWR
    FRP signal open
    Damaged FRP sensor

    if you have limited electrical experience you just replace the FPR sensor

    otherwise seek assistance at a dealership or good garage

    Mar 27, 2010 | 2005 Ford Taurus

    1 Answer

    Fuel rail pressure sensor chkt high input p0193

    Mine is on too (MIL, with p0193), 2005 freestar. My dealer can't figure it out for some reason? So I went out and bought a code reader, will fix it myself!
    Anyways it can be the fuel pressure sensor (approx $100 for part), the fuel pump, or regulator on the fuel line, not too sure what they are worth, and time for labour? I am currently looking for a test gauge to check the pressure in the fuel line to see if it is pump or regulator or sensor. Hopefully your service guys can run a few similar tests and determine what needs to go.

    Feb 12, 2010 | 2004 Ford Freestar

    1 Answer

    I am getting a p0193 obd code on my 2001 ford escape. What can I do to repair it?

    your probably talking about the fuel rail pressure sensor for a p0193. yes i have done a couple of them. No part of the job is very difficult, just unplug the electrical connections and vac lines on the upper intake. remove the egr pipe and the 8? bolts and remove the upper intake. one the intake is off then you will see the fuel rail pressure sensor ( FRP ) mounted to the fuel rail by 2-bolts. keep in mind when you remove it some fuel might spray out. also i would recommend replacing the 6-upper intake gasket/o-rings. Go to any Advance or Autozone Store and buy the Chiltons Manual for your vehicle. They are around 19.99 and this will have every repair that you will ever need to repair anything on your car. I love theses books. They have pictures and step by step instructions. Hope this helps.

    Dec 07, 2009 | 2001 Ford Escape

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