Notices
Pre-Power Stroke Diesel (7.3L IDI & 6.9L) Diesel Topics Only

e40d having problems or could it be my 7.3

Thread Tools
 
Search this Thread
 
Old Mar 17, 2010 | 03:03 AM
  #1  
ebaugh90's Avatar
ebaugh90
Thread Starter
|
Senior User
Joined: May 2009
Posts: 139
Likes: 0
e40d having problems or could it be my 7.3

Hey guys, I've been having problems with my 1994 f-250 7.3 idi. The other day I was driving down university blvd in gainesville, and my truck started bucking. Then it would be in 3rd gear and shift down to 2nd, then to 3rd again. Also today I drove down the road at about 45 mph and it started bucking again. Also when istarted from a start during acceleration it shifted from 1st to 3rd, when I pressed in the fuel pedal to keep it from stalling it jumped to 1st and jerked like heck spinning tires and throwing soot everywhere from the tail pipes.



And has anyone replaced their idi 7.3 with a 5.9 from fordcummins.com?
 
Reply
Old Mar 17, 2010 | 09:52 AM
  #2  
starmilt's Avatar
starmilt
Post Fiend
Joined: Oct 2007
Posts: 10,501
Likes: 5
From: Faibanks Ak.
How is your tach and speedo acting.
If you think it may be the engine I would run a fuel pressure and volume test.
When was the last time you changed the fuel filter.
 
Reply
Old Mar 17, 2010 | 04:08 PM
  #3  
tjc transport's Avatar
tjc transport
i ain't rite
Joined: Mar 2005
Posts: 65,511
Likes: 5,567
From: Marlboro Mental Hospital.
Club FTE Gold Member
sounds like you need a trans service, or the trans is in limp mode. does both the tach and speedo work properly??
 
Reply
Old Mar 17, 2010 | 04:08 PM
  #4  
ebaugh90's Avatar
ebaugh90
Thread Starter
|
Senior User
Joined: May 2009
Posts: 139
Likes: 0
Right before I bought it. About 6 months ago. Yeah both speedo and tach work fine
 
Reply
Old Mar 17, 2010 | 09:24 PM
  #5  
crazymike's Avatar
crazymike
Senior User
Joined: Mar 2006
Posts: 234
Likes: 0
is it the c6 or the e40d? i ask because when i was fiddling with mine getting it back on the road, i managed to not know how to adjust the fuel pump injector lever sensor.
and it was really throwing a fit when i tried to drive it, it had no idea what gear to be in and to get it to move at all from a stop i just about had to floor it, witch ended in burning the tires a few times on the short trip home.
 
Reply
Old Mar 17, 2010 | 10:23 PM
  #6  
David85's Avatar
David85
Lead Driver
20 Year Member
Joined: Nov 2003
Posts: 6,900
Likes: 3
From: Campbell River, B.C.
If nothing else, than by elimination, the FILP (throttle position) sensor would be the next thing to check. Look for 0.8-1.2V at idle setting and 3.85-4.5V at full power.
 
Reply
Old Mar 17, 2010 | 11:31 PM
  #7  
ebaugh90's Avatar
ebaugh90
Thread Starter
|
Senior User
Joined: May 2009
Posts: 139
Likes: 0
Its an e40d. I checked the fluid, all that's fine. I'm just scared its the transmission causing the problem.
 
Reply
Old Mar 18, 2010 | 03:01 AM
  #8  
RCrawler's Avatar
RCrawler
Postmaster
Joined: Dec 2002
Posts: 3,594
Likes: 2
From: Southern Oregon USA
Originally Posted by ebaugh90
And has anyone replaced their idi 7.3 with a 5.9 from fordcummins.com?
There are a couple of guys on here that have or are in the process of the 5.9 swap. Not sure where they sourced their parts from tho.
I've had plans to do my own swap for several years (I've bought and sold a couple of complete trucks), but the 7.3 just keeps on going. I see no reason to give up on it at this point.

Here is another company that is offering Cummins conversion stuff
DESTROKED: Cummins Conversions

Jason
 
Reply
FTE Stories

Ford Trucks for Ford Truck Enthusiasts

story-0

10 Ugly Ford Trucks That We Still Kinda Love

 Joe Kucinski
story-1

10 Things Every Truck Owner NEEDS (2026 Edition)

 Michael S. Palmer
story-2

Rezvani's Latest Post-Apocalyptic Monster Is a Ford F-150 Raptor Underneath

 Verdad Gallardo
story-3

Top 10 Most Expensive Ford Trucks Ever Sold on Bring a Trailer

 Joe Kucinski
story-4

2027 Ford Super Duty Buyer's Guide (Every Model, Engine, & Package)

 Brett Foote
story-5

Top 10 Ford Truck Tragedies

 Joe Kucinski
story-6

AEV FXL Super Duty - the Super Duty Raptor Ford Doesn't Make

 Brett Foote
story-7

Lobo Vs Lobo: Proof the F-150 Lobo Should Be Even Lower!

 Michael S. Palmer
story-8

Ford's 2001 Explorer Sportsman Concept Looks For a New Home

 Verdad Gallardo
story-9

10 Best Ford Truck Engines We Miss the Most!

 Joe Kucinski
Old Mar 18, 2010 | 05:18 AM
  #9  
ebaugh90's Avatar
ebaugh90
Thread Starter
|
Senior User
Joined: May 2009
Posts: 139
Likes: 0
Honestly, I think if my 7.3 ever gives out I may just have it rebuilt.
 
Reply
Old Mar 18, 2010 | 05:25 AM
  #10  
mistakenID's Avatar
mistakenID
Posting Guru
Joined: Jul 2004
Posts: 1,627
Likes: 0
From: West Valley Utah
I would never try to rebuild a 7.3. Cylinder walls are too thin as it is. Find a good 6.9 block and build that, you would wind up with a better engine.

If your truck is geared right, the 5.9 cummins is ok.
 
Reply
Old Mar 18, 2010 | 05:29 AM
  #11  
ebaugh90's Avatar
ebaugh90
Thread Starter
|
Senior User
Joined: May 2009
Posts: 139
Likes: 0
My best bet would probly be better to replace it with a cummins
 
Reply




All times are GMT -5. The time now is 05:50 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