Notices
1999 - 2003 7.3L Power Stroke Diesel  
Sponsored by:
Sponsored by: DP Tuner

2004 7.3 Sputter

Thread Tools
 
Search this Thread
 
Old Jan 15, 2020 | 11:04 PM
  #1  
Gage Spenny's Avatar
Gage Spenny
Thread Starter
|
New User
Joined: Jan 2020
Posts: 2
Likes: 0
2004 7.3 Sputter

I’m new to this website, but I’m kinda at a loss. I have a 2003 e450 with 7.3 in it. Just replaced injectors with stock ones, glow plugs, valve cover gaskets, wiring harness, and HPOP lines and seals. First start up was pretty rough. Realized the HPOP lines I purchased leak at one of the crimps from manufacturing.... long story short, while at idle and running it shakes and acts as if it’s running on 4 of the 8 cylinders. Will a HPOP leak from a line cause it to run like garbage like this?? I’m waiting on new lines to come in. I’m just anxious and just want some assurance that the HPOP leak is what’s making the truck miss and not the injector install... thanks!
 
Reply
Old Jan 15, 2020 | 11:33 PM
  #2  
timmyboy76's Avatar
timmyboy76
Lead Driver
Joined: Sep 2010
Posts: 7,793
Likes: 50
With the system cracked open and replaced, id suspect air still making its way thtu the injectors. You may also look up the Hutch mod...thatll give symptoms your experiencing
 
Reply
Old Jan 15, 2020 | 11:38 PM
  #3  
aawlberninf350's Avatar
aawlberninf350
It's a Van Gogh
15 Year Member
Photogenic
Shutterbug
Liked
Joined: Feb 2010
Posts: 7,813
Likes: 1,335
From: Elk Grove, CA
Club FTE Gold Member
That kind of work will allow air into the oil and fuel systems and it takes a while to purge. I think rule of thumb is 50 miles to clear it all out.

No codes right? If it really is running on 4 that could indicate a IDM issue, but that will throw a code.

Also inspect underneath the wiring harness that runs to the 42 pin connector. It can rub on the driver side valve cover and cause shorts.

Re-torque the injector hold down bolts when it's warmed up. You can remove the VCs while idling without making a mess.
 
Reply
Old Jan 16, 2020 | 12:27 AM
  #4  
erickk120's Avatar
erickk120
Cross-Country
Joined: Aug 2018
Posts: 69
Likes: 10
I would assume it would run like poop with a leaking line, atleast mine did with a leaking Hpop port.
 
Reply
Old Jan 16, 2020 | 01:07 AM
  #5  
Wes444's Avatar
Wes444
Logistics Pro
5 Year Member
Liked
Loved
Community Favorite
Joined: May 2017
Posts: 4,667
Likes: 1,455
From: Muskogee, Ok
Originally Posted by aawlberninf350
Re-torque the injector hold down bolts when it's warmed up. You can remove the VCs while idling without making a mess.
He didn't mean remove them while its idling, he meant you can leave the valve covers off and then start and let it idle and it won't make a mess. No way you want to try n wrench to remove them with it running

 
Reply
Old Jan 16, 2020 | 06:04 AM
  #6  
Gage Spenny's Avatar
Gage Spenny
Thread Starter
|
New User
Joined: Jan 2020
Posts: 2
Likes: 0
Originally Posted by aawlberninf350
That kind of work will allow air into the oil and fuel systems and it takes a while to purge. I think rule of thumb is 50 miles to clear it all out.

No codes right? If it really is running on 4 that could indicate a IDM issue, but that will throw a code.

Also inspect underneath the wiring harness that runs to the 42 pin connector. It can rub on the driver side valve cover and cause shorts.

Re-torque the injector hold down bolts when it's warmed up. You can remove the VCs while idling without making a mess.
Only code I get is telling me the injection Control Pressure pressure is below norm...
I just hope that fixing this leaking line is what is causing my issues..
 
Reply
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
cabincreekranch
1994.5 - 1997 7.3L Power Stroke Diesel
5
Jan 8, 2023 07:53 AM
likes_2_tinker
1999 - 2016 Super Duty
5
May 24, 2018 03:45 PM
Killo1
1999 - 2003 7.3L Power Stroke Diesel
7
Dec 4, 2012 12:32 PM
stonemason
1994.5 - 1997 7.3L Power Stroke Diesel
9
May 29, 2012 08:49 AM
Gagew90
1999 - 2016 Super Duty
6
Jan 5, 2010 12:28 AM




All times are GMT -5. The time now is 01:23 AM.

story-0
10 Ugly Ford Trucks That We Still Kinda Love

Slideshow: 10 ugly Ford trucks that we still kinda love.

By Joe Kucinski | 2026-06-03 09:51:16


VIEW MORE
story-1
10 Things Every Truck Owner NEEDS (2026 Edition)

Slideshow: the best gifts for dads & grads

By Michael S. Palmer | 2026-06-03 15:43:58


VIEW MORE
story-2
Rezvani's Latest Post-Apocalyptic Monster Is a Ford F-150 Raptor Underneath

Slideshow: Called the Fortress, the 850-horsepower pickup combines Raptor underpinnings with military-inspired features, survival equipment, and a starting price of $285,000.

By Verdad Gallardo | 2026-06-03 11:38:36


VIEW MORE
story-3
Top 10 Most Expensive Ford Trucks Ever Sold on Bring a Trailer

Slideshow: 10 most expensive Ford trucks ever sold on Bring a Trailer.

By Joe Kucinski | 2026-05-27 16:24:34


VIEW MORE
story-4
2027 Ford Super Duty Buyer's Guide (Every Model, Engine, & Package)

Here's everything that has changed for the latest model year.

By Brett Foote | 2026-05-27 16:17:28


VIEW MORE
story-5
Top 10 Ford Truck Tragedies

Slideshow: Top 10 Ford truck tragedies.

By Joe Kucinski | 2026-05-18 19:34:33


VIEW MORE
story-6
AEV FXL Super Duty - the Super Duty Raptor Ford Doesn't Make

And it might be even better than that.

By Brett Foote | 2026-05-18 19:26:42


VIEW MORE
story-7
Lobo Vs Lobo: Proof the F-150 Lobo Should Be Even Lower!

Slideshow: Does lowering an F-150 Lobo RUIN the ride quality?

By Michael S. Palmer | 2026-05-18 19:20:37


VIEW MORE
story-8
Ford's 2001 Explorer Sportsman Concept Looks For a New Home

Slideshow: Ford's bizarre fishing-themed Explorer concept has resurfaced after spending decades largely forgotten.

By Verdad Gallardo | 2026-05-12 18:07:46


VIEW MORE
story-9
10 Best Ford Truck Engines We Miss the Most!

Slideshow: The 10 best Ford truck engines we miss the most.

By Joe Kucinski | 2026-05-12 13:09:47


VIEW MORE