97 f-250 runs rough when cold - Ford Forums - Mustang Forum, Ford Trucks, Ford Focus and Ford Cars
Ford Forum Ford Forum

» Auto Insurance
» Featured Product
ยป Wheel & Tire Center

Go Back   Ford Forums - Mustang Forum, Ford Trucks, Ford Focus and Ford Cars > The Garage - Tech Forums > Engine Specific Tech > Diesel Tech
Register Home Forum Active Topics Photo Gallery Auto Loans Garage Mark Forums Read Auto EscrowInsurance

FordForums.com is the premier Ford Forum on the internet. Registered Users do not see the above ads.
Reply
 
LinkBack Thread Tools Display Modes
Old 03-08-2005, 18:22   #1 (permalink)
Registered User
 
Join Date: Mar 2005
Posts: 5
confused 97 f-250 runs rough when cold

I have a 97 7.3 powerstroke, when i first start it when its cold it runs real rough and the check engine light comes on, then after about 20 seconds it smoothes out and the light goes off. After another 20 seconds its rough again, then smoothes back out. once the engine gets warmed up a little then it runs great . it just started doing this, i live in michigan so its fairly cold now. does any one have any ideas? the engine has 165,000 on it and its never been touched. thanks
blue f-350 is offline   Reply With Quote
Sponsored Links
Advertisement
 
Old 03-12-2005, 16:55   #2 (permalink)
Registered User
 
Join Date: Sep 2004
Location: Lynbrook
Age: 31
Posts: 15
Re: 97 f-250 runs rough when cold

I'm no diesel mechanic, but my boss's 4WD has got a 6.5turbo diesel in it, and that was running very rough when cold(like motor trying to get out of the bonnet rough) and we set the timing for the fuel injector back 2degs and that settled it down, lost abit of power when it was hot, but runs better when cold.. more to the point, is your fuel pump/injector pump tight?? bit funny for a diesel to do that otherwise.
hope this helps
mark
turboED is offline   Reply With Quote
Old 03-31-2005, 17:24   #3 (permalink)
Registered User
 
Join Date: Jan 2005
Posts: 26
Re: 97 f-250 runs rough when cold

Quote:
Originally Posted by blue f-350
I have a 97 7.3 powerstroke, when i first start it when its cold it runs real rough and the check engine light comes on, then after about 20 seconds it smoothes out and the light goes off. After another 20 seconds its rough again, then smoothes back out. once the engine gets warmed up a little then it runs great . it just started doing this, i live in michigan so its fairly cold now. does any one have any ideas? the engine has 165,000 on it and its never been touched. thanks
hello
it sounds like to me you may have a sticking or bad injector . thay will do that sometime. and the powerstrokes all had some of this type of problem.
sorry ,but its real hard to tell without hearing it myself but thats what you make it sound like it could be. o and if its runing blue smoke when its cold and doing this that also means an injector could be bad
hope its not this but it sounds like what it could be.
wallacelew is offline   Reply With Quote
Sponsored Links
Advertisement
 
Reply

  Ford Forums - Mustang Forum, Ford Trucks, Ford Focus and Ford Cars > The Garage - Tech Forums > Engine Specific Tech > Diesel Tech



Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools
Display Modes

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


Similar Threads
Thread Thread Starter Forum Replies Last Post
Cold Weather Curses thinice Cleveland Tech 7 11-13-2004 06:52
HELP! 5th cyl. is not firing when engine is cold p71blackbird Ford Crown Victoria | Mercury Marauder | Grand Marquis | P71 1 09-23-2004 15:45
97 Escort Trouble Code & ABS problem rjm65 Ford Escort | Ford Laser | Ford TX3 | Ford Sierra | Mercury Capri 0 08-17-2004 09:42
rough idle fixed! PULP riddle solved! Longish rev General Tech 3 09-06-2003 20:34
92 aerostar runs rough oxnevad Ford Vans and Mini Vans | Ford Aerostar | Ford Freestar | Ford Galaxy | Ford Windstar 0 04-30-2001 04:20

Powered by vBadvanced CMPS v3.2.2

All times are GMT -7. The time now is 15:10.



Powered by vBulletin® Copyright ©2000 - 2014, Jelsoft Enterprises Ltd.
Content Relevant URLs by vBSEO 3.6.0
Garage Plus vBulletin Plugins by Drive Thru Online, Inc.