P0193 - Fuel rail pressure sensor circuit high input

yeahmen · 12-12-2007, 04:40 PM

I keep getting this code. I would reset with my OBD II Scanner and it would still appear. Can some one guide me in the right direction as what i may need to check and repair/replace. I have a sport trac 2004 XLS.

Thanks

**MountaineerGreen** · 12-12-2007, 04:44 PM

Sounds like your fuel pressure regulator or whatever your truck uses to regulate fuel pressure is messed up, or the sending unit is bad. Clearing the code won't work- you have a problem that needs to be fixed. I think yours uses a returnless fuel system, so the pump and regulator may be all the same thing

The best thing to do is get a fuel pressure gauge, connect it to your rail and see what your fuel pressure is.

cjones101812 · 12-16-2007, 12:37 AM

is this a flex fuel vehicle?? VIN code K

if so, with scanner connected, Key ON Engine RUN, is pressure above 119.9 psi??

yeahmen · 12-17-2007, 02:23 PM

The vehicle's engine type is 4.0L V6 FI SOHC. Don't know if that information will be helpful. The eighth character in the VIN is a K.

cjones101812 · 12-17-2007, 02:45 PM

according to my book, vin X is the 4.0L FlexFuel engine.

are you running gasoline or natural gas??

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.

if pressure good, check voltage between Sensor connector Vref (Pin#3 LB)and Signal Return (Pin#4 GY/RD) should be 4.0-5.5v with key ON.

ortiz1108 · 05-13-2012, 11:56 AM

where can locate the fuel rail pressure sensor a circuit high on my 2004 sport trac ford?

12-12-2007, 04:40 PM	#1
yeahmen Wannabe Elite Explorer 04 Sport trac XLS Join Date: Dec 2007 Posts: 3 Vehicle Specs (Original Poster)	P0193 - Fuel rail pressure sensor circuit high input I keep getting this code. I would reset with my OBD II Scanner and it would still appear. Can some one guide me in the right direction as what i may need to check and repair/replace. I have a sport trac 2004 XLS. Thanks

12-12-2007, 04:44 PM	#2
MountaineerGreen Towing Moderator North East Arkansas 2012 F150 4x4 Join Date: Feb 2006 Posts: 7,589 Vehicle Specs	Sounds like your fuel pressure regulator or whatever your truck uses to regulate fuel pressure is messed up, or the sending unit is bad. Clearing the code won't work- you have a problem that needs to be fixed. I think yours uses a returnless fuel system, so the pump and regulator may be all the same thing The best thing to do is get a fuel pressure gauge, connect it to your rail and see what your fuel pressure is. __________________ -Evan Febuary 09 Feature Truck - Elite Registry - Photo Gallery - Feedback - Go Elite! - My Write Ups - EF Vendors

12-16-2007, 12:37 AM	#3
cjones101812 Wannabe Elite Explorer Avondale, AZ 06 Explorer EB Join Date: Sep 2007 Posts: 370 Vehicle Specs	is this a flex fuel vehicle?? VIN code K if so, with scanner connected, Key ON Engine RUN, is pressure above 119.9 psi?? __________________ 06 EB Explorer - SCT X3, K&N CAI kit, MSD COPs 94 GT Vert - see http://www.cardomain.com/id/cjones101812 for mods 00 Excursion - see http://www.cardomain.com/id/cjones101812 for mods

12-17-2007, 02:23 PM	#4
yeahmen Wannabe Elite Explorer 04 Sport trac XLS Join Date: Dec 2007 Posts: 3 Vehicle Specs (Original Poster)	Engine Type The vehicle's engine type is 4.0L V6 FI SOHC. Don't know if that information will be helpful. The eighth character in the VIN is a K.

12-17-2007, 02:45 PM	#5
cjones101812 Wannabe Elite Explorer Avondale, AZ 06 Explorer EB Join Date: Sep 2007 Posts: 370 Vehicle Specs	according to my book, vin X is the 4.0L FlexFuel engine. are you running gasoline or natural gas?? 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. if pressure good, check voltage between Sensor connector Vref (Pin#3 LB)and Signal Return (Pin#4 GY/RD) should be 4.0-5.5v with key ON.

05-13-2012, 11:56 AM	#6
ortiz1108 Wannabe Elite Explorer columbus, georgia 2004 ford sport trac Join Date: May 2012 Posts: 1 Vehicle Specs	where can locate the fuel rail pressure sensor a circuit high on my 2004 sport trac ford?