2004 Rough Idle / Sluggish Performance - 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 12-28-2012, 01:33 PM
Compression Ignition Addict
 

Join Date: Jun 2010
Location: Summerville, SC
Posts: 196
Thanks: 0
Thanked 0 Times in 0 Posts
Feedback Score: 3 reviews
2004 Rough Idle / Sluggish Performance

Looking for some help. I'm helping my sister with her 04 350 that has 140,000 miles currently and completely stock. The truck is sluggish to start and idles rough kinda like a gasser with a fouled spark plug.

The FICM was replaced 8 months ago and test good at 48V. The truck has all synthetics and the egr valve was cleaned last month when I changed her oil and fuel filters.

I've also upgraded the fuel pressure spring and checked it running steady 62psi.

When I road tested the truck no CEL's showing and the power seemed like it
was running on less than 8cyl.

I took a video today so you guys could hear how bad it's running. Looking for suggestions of where to possibly get started to eliminate possible issues.

Thanks for the help.

Reply With Quote Quick reply to this message
Sponsored Links
Advertisement
 
  #2  
Old 12-28-2012, 03:09 PM
Compression Ignition Addict
 

Join Date: Jun 2010
Location: Summerville, SC
Posts: 196
Thanks: 0
Thanked 0 Times in 0 Posts
Feedback Score: 3 reviews
So I've done a little research on the 04 model and found the ICP sensor leaks or fails. I'm thinking this could be a good place to start, but not sure what I would need to do. I see the ICP is in the back of motor, how would I get to it and what would I need to test the ICP?

Thanks.
Reply With Quote Quick reply to this message
  #3  
Old 12-28-2012, 03:31 PM
Premium Member
 

Join Date: Jan 2012
Location: Gulf Coast
Posts: 5,201
Thanks: 1
Thanked 1 Time in 1 Post
Feedback Score: 1 reviews
How did you test ficm cold, were the batteries load tested? She needs a monitor.....Write Up: Monitoring the 6.0L PSD.

Make sure you are running motorcraft or racor filters with matching cap, and a good quality oil. The icp is just plain difficult to get to, the pigtail may also be bad. Get a monitor on that truck.

Sent from my phone that somebody didn't help me get.
Reply With Quote Quick reply to this message
  #4  
Old 12-28-2012, 04:04 PM
Compression Ignition Addict
 

Join Date: Jun 2010
Location: Summerville, SC
Posts: 196
Thanks: 0
Thanked 0 Times in 0 Posts
Feedback Score: 3 reviews
Smile

Quote:
Originally Posted by southend View Post
How did you test ficm cold, were the batteries load tested? She needs a monitor.....Write Up: Monitoring the 6.0L PSD. - Ford Powerstroke Diesel Forum

Make sure you are running motorcraft or racor filters with matching cap, and a good quality oil. The icp is just plain difficult to get to, the pigtail may also be bad. Get a monitor on that truck.

Sent from my phone that somebody didn't help me get.
The FICM was checked how ED @ FICMrepair advised:

1. Key off (0 volts)
2. Key on during buzz test (48 volts)
3. Key on after buzz test (48 volts)
4. Cranking (48 volts)
5. Running IMMEDIATELY after cold start and for the first minute (48 volts)
6. RPM's at 2000 after it's been started for a minute (48 volts)

All the filters I use are all motorcraft/racor, just like I use in my 05. I use the Rotella T6 synthetic in her truck for oil. I'm just thinking it might be ICP/IPR related possibly by the other threads I've read here. I've never actually had to deal with the ICP, so I'm unsure of procedures.

Thanks.
Reply With Quote Quick reply to this message
  #5  
Old 12-28-2012, 04:15 PM
Premium Member
 

Join Date: Jan 2012
Location: Gulf Coast
Posts: 5,201
Thanks: 1
Thanked 1 Time in 1 Post
Feedback Score: 1 reviews
You could also pull the egr and see if it is dirty or stuck open.

Sent from my phone that somebody didn't help me get.
Reply With Quote Quick reply to this message
  #6  
Old 12-28-2012, 05:37 PM
Premium Member

 

Join Date: Sep 2008
Location: Oakbank, Manitoba
Posts: 3,086
Thanks: 7
Thanked 90 Times in 84 Posts
Feedback Score: 0 reviews
It sure sounds like an injector or 2. She really needs to have a cold injector buzz test and a cold contribution/balance test completed.
Reply With Quote Quick reply to this message
  #7  
Old 12-28-2012, 06:18 PM
Compression Ignition Addict
 

Join Date: Jul 2012
Location: bel air, maryland
Posts: 2,017
Thanks: 4
Thanked 35 Times in 27 Posts
Feedback Score: 1 reviews
^ definetly an injector or 2... Icp is prob. ok, batteries seem fine from the startup.. Get an injector buzz test first.
Reply With Quote Quick reply to this message
  #8  
Old 12-28-2012, 10:09 PM
Compression Ignition Addict
 

Join Date: Apr 2012
Posts: 1,111
Thanks: 1
Thanked 2 Times in 2 Posts
Feedback Score: 0 reviews
try disconnecting the icp and starting. see how it runs then
Reply With Quote Quick reply to this message
  #9  
Old 12-29-2012, 05:51 AM
Compression Ignition Addict
 

Join Date: Jun 2010
Location: Summerville, SC
Posts: 196
Thanks: 0
Thanked 0 Times in 0 Posts
Feedback Score: 3 reviews
I unplugged the ICP and it really didn't have any effect on how the motor ran, still the same. Does that indicate a good or bad ICP? I didn't see any oil around the ICP either. I'm going to arrange to take it to a shop and have a cold injector buzz test and a cold contribution/balance test completed as suggested.
Reply With Quote Quick reply to this message
  #10  
Old 12-29-2012, 06:21 AM
Compression Ignition Addict

 

Join Date: Sep 2009
Location: Corpus Christi, TX
Posts: 525
Thanks: 0
Thanked 1 Time in 1 Post
Feedback Score: 1 reviews
If you started it with the ICP disconnected and there was no difference, the ICP is fine. If it had smoothed out, that might have been the culprit.

Sent from my PC36100 using AutoGuide App
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 11:38 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