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

Speedo Surging in Overdrive only

Thread Tools
 
Search this Thread
 
Old May 13, 2012 | 08:17 PM
  #1  
xcite's Avatar
xcite
Thread Starter
|
Senior User
Joined: Mar 2008
Posts: 225
Likes: 2
Speedo Surging in Overdrive only

I have been working on my 94 F350 E4OD and have fixed all issues dealing with trans and torque convertor. Truck is shifting good and new torque convertor is solid.

After getting everything working I was out driving the truck and noticed the speedo surging at speeds around 55-60. I checked speed sensor and repaced it with a know good one and still the same thing happened. Then while on the test drive I took it out of overdrive and speedo settled right out cruise worked as it should. Put it back into overdrive surging comes back cruise surges with it. Tack is working perfectly steedy. I am seaching thru my trouble shooting but havent ran into anything like this before havent decided what to check next.
 
Reply
Old May 14, 2012 | 09:07 AM
  #2  
fuzzy1626's Avatar
fuzzy1626
Cargo Master
15 Year Member
Joined: Feb 2007
Posts: 2,477
Likes: 21
From: Taylorsville, NC
When it surges, does the tack change rpms even slightly?
 
Reply
Old May 14, 2012 | 09:11 AM
  #3  
xcite's Avatar
xcite
Thread Starter
|
Senior User
Joined: Mar 2008
Posts: 225
Likes: 2
No the tach holds nice and steady, watched this very carefully and checked several times.

So far my next step in my mind is to clean and check all grounds ect.

It is always so much fun having oddball problems like this to find. Hopefully I will get some time this afternoon to check it further.
 
Reply
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
top213
1987 - 1996 F150 & Larger F-Series Trucks
7
May 4, 2024 02:40 PM
JYost17
1987 - 1996 F150 & Larger F-Series Trucks
2
Dec 20, 2018 07:19 PM
tom bean
Aerostar
5
Apr 23, 2018 11:53 PM
Ty Reedy
1978 - 1996 Big Bronco
11
Sep 20, 2015 11:59 PM
Fatcatpaddy
Pre-Power Stroke Diesel (7.3L IDI & 6.9L)
12
Jul 5, 2011 05:52 PM




All times are GMT -5. The time now is 07:29 PM.

story-0
Rezvani's Latest Post-Apocalytic 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 | 2026-05-30 18:33:59


VIEW MORE
story-1
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-2
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-3
Top 10 Ford Truck Tragedies

Slideshow: Top 10 Ford truck tragedies.

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


VIEW MORE
story-4
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-5
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-6
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-7
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
story-8
2026 Shelby F-150 Off-Road: Better Than a Raptor R?

Slideshow: first look at the 810 hp 2026 Shelby F-150 Off-Road!

By Brett Foote | 2026-05-12 12:50:07


VIEW MORE
story-9
2027 Super Duty Carhartt Package First Look: 12 Things You NEED to Know!

Slideshow: Everything You Need to Know about the 2027 Super Duty Carhartt Package!

By Michael S. Palmer | 2026-05-07 17:51:06


VIEW MORE