• Welcome Visitor! Please take a few seconds and Register for our forum. Even if you don't want to post, you can still 'Like' and react to posts.

location 03 sohc fuel pressure valve?


bigredscowboy

New Member
Joined
Nov 16, 2008
Messages
168
Reaction score
1
Points
0
Location
Western NC
Vehicle Year
2003
Make / Model
Ford
Engine Size
4.0
Transmission
Manual
No really, this is ridiculous. Everything says that the schrader on the back of the passenger rail is not the pressure tester valve. Book says the valve is in the tank? How is that possible? How does one test fuel pressure here? I'm getting enough to idle but not over 2200 rpm. For more details about problem, http://www.therangerstation.com/forums/showthread.php?t=165711
 


adsm08

adsm08

Senior Master Grease Monkey
Supporting Member
Article Contributor
Ford Technician
TRS 20th Anniversary
Joined
Sep 20, 2009
Messages
34,623
Reaction score
3,613
Points
113
Location
Dillsburg PA
Vehicle Year
1987
Make / Model
Ford
Engine Type
4.0 V6
Engine Size
4.0
Transmission
Manual
2WD / 4WD
4WD
Tire Size
31X10.50X15
IF yours has the test port it will be on the end of the fuel rail, usually the passenger side. However, not all of them came equipped for mechanical pressure test, so it might not be there.
 

bigredscowboy

New Member
Joined
Nov 16, 2008
Messages
168
Reaction score
1
Points
0
Location
Western NC
Vehicle Year
2003
Make / Model
Ford
Engine Size
4.0
Transmission
Manual
Thanks, all this time I've been assuming the book and internet are right. I just looked up the damper. I do NOT have this back there:


I just have the blue o-ring, plate and then schrader valve. So that's it, right?
 

Big Jim M

New Member
Joined
Apr 18, 2008
Messages
2,728
Reaction score
30
Points
0
Age
86
Location
Austin
Vehicle Year
2002
Make / Model
Ford
Engine Size
4.0
Transmission
Manual
Sounds like a fuel filter is mostly clogged. I'd be installing a new one of those.
Big Jim
 
adsm08

adsm08

Senior Master Grease Monkey
Supporting Member
Article Contributor
Ford Technician
TRS 20th Anniversary
Joined
Sep 20, 2009
Messages
34,623
Reaction score
3,613
Points
113
Location
Dillsburg PA
Vehicle Year
1987
Make / Model
Ford
Engine Type
4.0 V6
Engine Size
4.0
Transmission
Manual
2WD / 4WD
4WD
Tire Size
31X10.50X15
Yeah, a plate with a valve bolted to the end of one fuel rail is what you are after.
 

bigredscowboy

New Member
Joined
Nov 16, 2008
Messages
168
Reaction score
1
Points
0
Location
Western NC
Vehicle Year
2003
Make / Model
Ford
Engine Size
4.0
Transmission
Manual
So I realized my mistake. I was confusing the pressure regulator with test valve, having no idea what the regulator is. Now that I am trying to run a pressure test I understand the the vacuum hose is to be connected to the pressure regulator. That is what the manual says is in the tank, which must look similar to the picture above which is actually the dampener. So do I need to hook the vacuum line to anything? So is the vacuum line I am getting 50psi off the rail and I believe it is supposed to be 60+
 
enjr44

enjr44

Active Member
U.S. Military - Veteran
Joined
Mar 24, 2013
Messages
1,143
Reaction score
9
Points
38
Age
80
Location
Renton, WA
Vehicle Year
02 2X4; 08 FX4
Make / Model
Ford
Engine Size
4.0 SOHC
Transmission
Automatic
The 03 does not have a pressure regulator. It has a pulse damper to smooth out the fuel flow in the rails. From the injectors opening and closing on a closed, no return system.
 
You must log in or register to reply here.

Sponsored Ad


Sponsored Ad

Staff online

Members online

Total: 733 (members: 2, guests: 731)

Member & Vendor Upgrades

For a small yearly donation, you can support this forum and receive a 'Supporting Member' banner, or become a 'Supporting Vendor' and promote your products here. Click the banner to find out how.

Latest posts

Truck of The Month


Shran
April Truck of The Month

Recently Featured

Want to see your truck here? Share your photos and details in the forum.

Follow TRS On Instagram

Latest Album Photos

Hunters
20240409_190831.jpg
20240409_190818.jpg
20240409_180824.jpg
20240409_182648.jpg
20240409_181010.jpg
20240408_175026.jpg
99 Ranger
20200706_161414.jpg
20240207_155117.jpg
20240207_155111.jpg
20240207_154537 - Copy.jpg

TRS Events

25th Anniversary Sponsors

Check Out The TRS Store


Sponsored Ad


Sponsored Ad

Sponsored Ad


Amazon Deals

Top