intermittent engine shutoff - 94.5 PSD - Ford Truck Enthusiasts Forums



1994.5 - 1997 7.3L Power Stroke Diesel SPONSORED BY:

intermittent engine shutoff - 94.5 PSD

Reply
 
 
 
LinkBack Thread Tools Search this Thread
  #1  
Old 07-31-2014, 11:41 AM
racine racine is offline
Freshman User
Thread Starter
 
Join Date: Mar 2004
Posts: 34
racine is starting off with a positive reputation.
intermittent engine shutoff - 94.5 PSD

My '94-1/2 7.3 is all original, and it has developed an intermittent engine shutoff. Typically these events happen at speeds of 40 mph or lower, the engine totally shuts down, no stumbling, just as if switched off. All gauges including volts are normal at these times, but in every case the tach immediately falls to zero. This has happened at least twice with the truck sitting parked, but many more times while under way.

The truck is a 5 speed manual, and so the engine is absolutely turning as the tach reads zero and the truck is rolling to the shoulder to come to a stop. So far it has always restarted - usually after sitting for a minute or two with the key off, a start attempt will be successful. An immediate attempt to restart never works, it has to sit for just a brief time. Sometimes it will run for just a minute or two and then fail again, other times it will run for 20 or 30 miles after a restart without missing a beat. I have zero confidence in the truck, and I'm reluctant to take it very far from home.

Has anyone run across symptoms like this, have some suggestions as to where to start?
Reply With Quote
  #2  
Old 07-31-2014, 12:12 PM
fordpride's Avatar
fordpride fordpride is offline
Post Fiend
 
Join Date: Dec 2009
Location: Livoina,La
Posts: 14,884
fordpride has a brilliant futurefordpride has a brilliant futurefordpride has a brilliant futurefordpride has a brilliant futurefordpride has a brilliant futurefordpride has a brilliant futurefordpride has a brilliant futurefordpride has a brilliant futurefordpride has a brilliant futurefordpride has a brilliant futurefordpride has a brilliant future
Sounds like a bad cam sensor (CPS)
Reply With Quote
  #3  
Old 07-31-2014, 12:24 PM
madMatador78's Avatar
madMatador78 madMatador78 is offline
Postmaster
 
Join Date: Dec 2011
Location: Pecatonica, IL
Posts: 2,596
madMatador78 is gaining momentum as a positive member of FTE.
X2 on cam sensor. Replace only with Ford or International sensor.
Reply With Quote
 
 
Reply

Related Topics
Thread Thread Starter Forum Replies Last Post
97 F150 4.2 intermittent start issue need a little help! Turbo442 1997 - 2003 F150 14 03-25-2015 09:43 PM
Questions & Confusion Grey5.0 1973 - 1979 F-100 & Larger F-Series Trucks 6 05-15-2014 01:55 PM
Warm weather causes starting problems pghdan 1999 to 2016 Super Duty 4 04-13-2012 12:09 AM
94 with 5.0L Won't Start (Sometimes) sc4808 1987 - 1996 F150 & Larger F-Series Trucks 10 02-08-2010 03:29 PM
Help! Fuel Flow Problem? BigSix1 1987 - 1996 F150 & Larger F-Series Trucks 7 12-18-2003 05:18 PM


Go Back   Ford Truck Enthusiasts Forums >

Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not 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

Forum Jump


All times are GMT -5. The time now is 02:57 AM.


This forum is owned and operated by Internet Brands, Inc., a Delaware corporation. It is not authorized or endorsed by the Ford Motor Company and is not affiliated with the Ford Motor Company or its related companies in any way. FordŽ is a registered trademark of the Ford Motor Company.