Low fuel pressure - Ford Powerstroke Diesel Forum
Powerstroke.org is the premier Diesel Truck Forum on the internet. Registered Users do not see the above ads.
Reply
 
LinkBack Thread Tools Display Modes
  #1  
Old 10-24-2013, 09:53 PM
Powerstroke.org Rookie
 

Join Date: Dec 2012
Posts: 18
Thanks: 0
Thanked 0 Times in 0 Posts
Feedback Score: 0 reviews
Low fuel pressure

Ok so here it goes I have a airdog 2 i know people dont like them and i have a driven diesel regulator kit and im running 155cc injectors and i am only readying 22 psi at the regulator its self and if we dead head the airdog its getting 75psi 12 inchs off the pump now if we run it in line with key on we get 25psi 12 inchs off the pump an 22psi at the regulator and i need to get those pressures up to 55 at the injectors from what im told and was wondering what i should do to solve this or what could be the problem
Reply With Quote Quick reply to this message
Sponsored Links
Advertisement
 
  #2  
Old 10-25-2013, 12:26 AM
Serving Our Country!
 

Join Date: Nov 2012
Location: Travis Air Force Base
Posts: 1,580
Thanks: 63
Thanked 79 Times in 46 Posts
Feedback Score: 0 reviews
no personnel experience with airdog but you find people here either 1. love it, 2 hate it bad...

have you contacted the manufacturer? could be

1. air dog not up to snuff
2. gaue is not working correctly?
3. does the air dog system use the oem fuel pump and it just separates air from fuel or does it use a new standalone system?

from what little research i've done all thats advised for fuel system is a regulated return for big injectors and higher hp numbers untill your pushing extreme numbers?
Reply With Quote Quick reply to this message
  #3  
Old 10-25-2013, 06:33 AM
Powerstroke.org Rookie
 

Join Date: Dec 2012
Posts: 18
Thanks: 0
Thanked 0 Times in 0 Posts
Feedback Score: 0 reviews
Yes its a stand alone pump and I called airdog and they sent me a new motor and It gave me a little more pressure if I dead headed it but not at flow second I have a regulated return and it just doesn't make enough pressure to put out be used
Reply With Quote Quick reply to this message
  #4  
Old 10-25-2013, 01:44 PM
Serving Our Country!
 

Join Date: Nov 2012
Location: Travis Air Force Base
Posts: 1,580
Thanks: 63
Thanked 79 Times in 46 Posts
Feedback Score: 0 reviews
hmm to be honest im not a fuel system guy for 6.0's but figured I'd try anyways and maybe seeing a few more post would attract the more knowledgable guys...

try tuscany, juggernaught and the pvtgreen guy all are very very helpful and know alot about these trucks.
Reply With Quote Quick reply to this message
  #5  
Old 10-25-2013, 01:59 PM
Powerstroke.org Rookie
 

Join Date: Dec 2012
Posts: 18
Thanks: 0
Thanked 0 Times in 0 Posts
Feedback Score: 0 reviews
Yeah I mean I'm stuck wasting money at my shop trying to find the best way to fix it
Reply With Quote Quick reply to this message
  #6  
Old 10-25-2013, 02:05 PM
Serving Our Country!
 

Join Date: Nov 2012
Location: Travis Air Force Base
Posts: 1,580
Thanks: 63
Thanked 79 Times in 46 Posts
Feedback Score: 0 reviews
sounds like the air dog is messed up if your reading that low on 12inchs from pump... you double check with another type of pressure gauge? like digital vs mechanical or?

also have you checked for any pinched o-rings that wouldn't cause an external leak but maybe a loss of pressure?
Reply With Quote Quick reply to this message
  #7  
Old 10-25-2013, 02:23 PM
Powerstroke.org Rookie
 

Join Date: Dec 2012
Posts: 18
Thanks: 0
Thanked 0 Times in 0 Posts
Feedback Score: 0 reviews
Checked the pressures with a mechanical gauge and we got a new motor for the pump and checked all those O rings as well at the driven diesel fuel regulator and both are all the way turned up the the most pressure
Reply With Quote Quick reply to this message
Sponsored Links
Advertisement
 
Reply

Quick Reply
Message:
Options

Register Now

In order to be able to post messages on the Ford Powerstroke Diesel Forum forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.
User Name:
If you do not want to register, fill this field only and the name will be used as user name for your post.
Password
Please enter a password for your user account. Note that passwords are case-sensitive.
Password:
Confirm Password:
Email Address
Please enter a valid email address for yourself.
Email Address:

Log-in

Human Verification

In order to verify that you are a human and not a spam bot, please enter the answer into the following box below based on the instructions contained in the graphic.



Thread Tools
Display Modes

Posting Rules
You may post new threads
You may post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On



All times are GMT -8. The time now is 08:50 AM.


Powered by vBulletin® Copyright ©2000 - 2014, Jelsoft Enterprises Ltd.
Search Engine Optimization by vBSEO 3.6.1
Garage Plus, Vendor Tools vBulletin Plugins by Drive Thru Online, Inc.

vB.Sponsors