Notices
1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks

Won't stop running

Thread Tools
 
Search this Thread
 
Old Oct 4, 2015 | 11:26 AM
  #1  
Built2play's Avatar
Built2play
Thread Starter
|
New User
Joined: Oct 2014
Posts: 6
Likes: 0
Won't stop running

So I have a 91 f150 that keeps running after I turn the key off. Anyone have this issue and have a possible solve?
 
Reply
Old Oct 4, 2015 | 11:48 AM
  #2  
Mudsport96's Avatar
Mudsport96
Logistics Pro
15 Year Member
Liked
Loved
Community Favorite
Joined: Aug 2010
Posts: 3,718
Likes: 586
From: Chillicothe
Sounds like you need an ignition switch
 
Reply
Old Oct 4, 2015 | 01:42 PM
  #3  
bashby's Avatar
bashby
Post Fiend
Joined: Nov 2005
Posts: 7,437
Likes: 4
From: Charles Town, W bygod Va
Is it not shutting off like you didn't turn the key of far is it dieseling? Dieseling typically occurs on a carbureted engine with the idle set too high. What engine and fuel delivery system do you have?
 
Reply
Old Oct 4, 2015 | 01:46 PM
  #4  
Built2play's Avatar
Built2play
Thread Starter
|
New User
Joined: Oct 2014
Posts: 6
Likes: 0
Originally Posted by bashby
Is it not shutting off like you didn't turn the key of far is it dieseling? Dieseling typically occurs on a carbureted engine with the idle set too high. What engine and fuel delivery system do you have?
It is a 351 Windsor efi and I just changed the ignition switch still keeps going.
 
Reply
Old Oct 4, 2015 | 01:47 PM
  #5  
Built2play's Avatar
Built2play
Thread Starter
|
New User
Joined: Oct 2014
Posts: 6
Likes: 0
Originally Posted by Mudsport96
Sounds like you need an ignition switch
Just changed it still not turning off
 
Reply
Old Oct 5, 2015 | 06:35 PM
  #6  
tjc transport's Avatar
tjc transport
i ain't rite
Joined: Mar 2005
Posts: 65,585
Likes: 5,613
From: Marlboro Mental Hospital.
Club FTE Gold Member
sounds like the ignition actuator may be broken.
99% of the time they break in a no start position, but i have had 6-7 that have broke in a no shutoff position.
try this:
lower the column and remove the ignition switch. use a small screwdriver to start the truck by moving the switch where the rod goes, and then see if you can shut it off with the screwdriver by moving the switch the other way.
if it starts and shuts off and the switch is properly adjusted, the actuator is broken.
 
Reply
Old Oct 5, 2015 | 07:45 PM
  #7  
GoinBoarding's Avatar
GoinBoarding
Cargo Master
15 Year Member
Liked
Loved
Community Favorite
Joined: Mar 2010
Posts: 3,342
Likes: 294
From: Laramie, WY
I agree with TJC. Mine did the same last June. My mother's work truck did this about 3 years ago. Both trucks needed the upper actuator rod (the one with the pin pressed in) replaced as both had the pins fall out. Both broke in the no shutoff position.
 
Reply
Old Oct 6, 2015 | 04:09 PM
  #8  
BruteFord's Avatar
BruteFord
Postmaster
Joined: Mar 2013
Posts: 3,066
Likes: 7
From: Over There
Yup, I had the same problem, broke initially in the on position as well. Had an easier middle of nowhere solution/diagnosis though. If you remove the plastic cover on the column(two phillips screws from underneath) you can get pliers(I used needle nose vise grips) on the actuator rod. Pulling it towards you should shut the truck off. Push towards dash to start again.

I was camping in the middle of nowhere when it broke. I drove it for a week like that until I had a chance to fix it right.
 
Reply
FTE Stories

Ford Trucks for Ford Truck Enthusiasts

story-0

This Hennessey Takes the Expedition Tremor's Off-Roading Capability to the Next Level

 Verdad Gallardo
story-1

Top 10 Fords at 2026 Carlisle Ford Nationals

 Joe Kucinski
story-2

3 Best / 3 Worst Parts of Modern Ford Ownership

 Brett Foote
story-3

10 Amazing Upgrades That Solve Common Ford Truck Owner Headaches

 Pouria Savadkouei
story-4

Every 2026 Ford Engine Explained

 Brett Foote
story-5

10 Ugly Ford Trucks That We Still Kinda Love

 Joe Kucinski
story-6

10 Things Every Truck Owner NEEDS (2026 Edition)

 Michael S. Palmer
story-7

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

 Verdad Gallardo
story-8

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

 Joe Kucinski
story-9

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

 Brett Foote
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
Jahud
1978 - 1996 Big Bronco
5
Jul 29, 2018 05:45 PM
Rollingscrapmetal
1973 - 1979 F-100 & Larger F-Series Trucks
4
Oct 21, 2017 10:44 PM
hafa adai
1973 - 1979 F-100 & Larger F-Series Trucks
5
Jun 4, 2010 04:08 PM
csb912
1987 - 1996 F150 & Larger F-Series Trucks
8
May 10, 2007 01:04 PM
rvfiver
1999 - 2003 7.3L Power Stroke Diesel
4
Sep 18, 2002 11:31 PM




All times are GMT -5. The time now is 08:01 PM.

story-0
This Hennessey Takes the Expedition Tremor's Off-Roading Capability to the Next Level

Slideshow: The VelociRaptor Expedition gains a lift, upgraded suspension, Brembo brakes, and trail-ready equipment while retaining the stock 440-horsepower EcoBoost V6.

By Verdad Gallardo | 2026-06-12 11:01:55


VIEW MORE
story-1
Top 10 Fords at 2026 Carlisle Ford Nationals

Slideshow: Top 10 Fords at 2026 Ford Nationals

By Joe Kucinski | 2026-06-09 11:10:08


VIEW MORE
story-2
3 Best / 3 Worst Parts of Modern Ford Ownership

Based on years of owning multiple modern Ford products.

By Brett Foote | 2026-06-09 10:53:36


VIEW MORE
story-3
10 Amazing Upgrades That Solve Common Ford Truck Owner Headaches

SPONSORED: From muddy boots to rain-soaked cargo, these upgrades address some of the most common frustrations Ford truck owners face every day.

By Pouria Savadkouei | 2026-06-08 18:50:34


VIEW MORE
story-4
Every 2026 Ford Engine Explained

Here's everything you need to know about every Ford engine available for the 2026 model year.

By Brett Foote | 2026-06-05 12:58:01


VIEW MORE
story-5
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-6
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-7
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-8
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-9
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