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  #1  
Old 03-06-2012, 12:47 PM
Junior Member
 
Join Date: Mar 2012
Posts: 2
Cool 2003 7.3 diesel hard start

I have a 7.3 with approx 223,000 miles on it.
I have replaced the glow plugs, fuel filter, air filter, glow plug relay, optima red top batteries (2)
When cold I always have to have the thing plugged in and after approx 7-8 hours of sitting outside it will try to run but chugs as though its not getting something.
Oil level is good and I plan to replace with T6. I will then do a top end oil replacement in the HPOP reservoir.
If I follow a sequence of turning the key on and waiting until all is done running then doing it again 2 more times it will start most of the time.
Any suggestions besides the dreaded injector replacement?
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  #2  
Old 03-06-2012, 12:59 PM
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Join Date: Jun 2010
Posts: 5,347
Default

Were you able to check out the EOT sensor?
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  #3  
Old 03-07-2012, 08:44 AM
Junior Member
 
Join Date: Mar 2012
Posts: 2
Thumbs up Thanks Hanky

Quote:
Originally Posted by hanky View Post
Were you able to check out the EOT sensor?
I have not checked the EOT sensor. In reading up on this it appears as though it could certainly affect the beast. Much appreciated
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  #4  
Old 03-07-2012, 09:21 AM
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Join Date: Apr 2011
Posts: 22
Default hard start

quick test .unplug EOT sensor and start truck cold.if it starts and chugs its bad.
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Old 03-07-2012, 09:21 AM
 
 
 
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2003, 73, 73diesel, cold, diesel, f250, ford, forum, hard, long, optima, red, start, starting, time, top

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