Please help diagnose intermittent starting problem - 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 06-07-2009, 10:03 AM
Serving Our Country!
 

Join Date: Nov 2007
Location: Hernando, FL
Posts: 191
Thanks: 0
Thanked 0 Times in 0 Posts
Feedback Score: 0 reviews
Question Please help diagnose intermittent starting problem

There are some occassions (becoming more frequent) where my truck will not start.

When it will start the dash lights go through the cycle of CEL, Water in Fuel, Low Fuel, Wait to Start coming in shortly and clearing. I can also hear the sound of the fuel pump priming the bowl. I am able to connect a code reader to the OBD-II port and it will tell me that I have zero codes.

When the truck will not start no lights come on except for the CEL and Wait to Start. Neither light will clear, I do not hear the sound of the fuel pump, and a code reader _will_not_ connect to the computer (it says LINK ERROR). When I crank the vehicle in this condition it turns just fine but no fuel is injected (no struggle at all, just no fuel). If I cycle the key a number of times or wait and try again I can always eventually get the truck to go through the normal starting cycle.

Sometimes after getting the truck to start, it will immediately die (stops fuel) and I'm back where I started. Often, it will simply die when I attempt to put it into gear to get going. When I get it running and it does not die after being put into gear, it will run just fine and not cut-out.

I have replaced the CPS (once on recall not too long ago and then a new one recently just in case) and also the GPR (due to its known failure) in trying to fix this.

Opinions? Intermittent computer failure? Intermittent fuel pump failure?

I am stuck on not being able to connect a reader to the computer when it's not starting ... if the computer is not "booting" will Wait to Start and CEL come on, no fuel pump run, and nothing else?
Reply With Quote Quick reply to this message
Sponsored Links
Advertisement
 
  #2  
Old 06-07-2009, 10:15 AM
Compression Ignition Addict
 

Join Date: Jul 2007
Posts: 5,502
Thanks: 2
Thanked 13 Times in 13 Posts
Feedback Score: 0 reviews
sounds like the pcm to me. i'm no tech, but thats what it sounds like to me.
Reply With Quote Quick reply to this message
  #3  
Old 06-07-2009, 07:15 PM
Serving Our Country!
 

Join Date: Nov 2007
Location: Hernando, FL
Posts: 191
Thanks: 0
Thanked 0 Times in 0 Posts
Feedback Score: 0 reviews
Reply With Quote Quick reply to this message
  #4  
Old 06-08-2009, 07:00 PM
Serving Our Country!
 

Join Date: Nov 2007
Location: Hernando, FL
Posts: 191
Thanks: 0
Thanked 0 Times in 0 Posts
Feedback Score: 0 reviews
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:
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 08:45 PM.


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