need help 2003 f350
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Joined: May 2011
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need help 2003 f350
driving down road pulling trailer, truck chugged and stalled. Acted like ran out of fuel. Tried to restart whouldn't start. Left sit for 10 min started and ran fine. Ran a couple miles same thing. Got truck back home stalled out lots on way. Unhooked from trailer pulled into shop checked fuel filters whitch have been changed 100 miles ago. Pulled fuel pump and replaced with new one. Hooked up to trailer drove down road same thing happend. Truck seems to run fine without load. did hook up to coad reader and found no codes.
Thx for any help.
Thx for any help.
Postmaster
Joined: Jul 2005
Posts: 3,956
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From: Abilene, Texas
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Hotshot
Joined: Apr 2010
Posts: 19,061
Likes: 238
From: Saratoga Springs,UT
I wish I had the AE one day 
I use scangauge II
www.scangauge.com
click here^^^^
it does quite abite best deal for the money
ICP,IPR,FICM,BOOST,VGT,and a ton more
it does not do fuel pressure,but most everything eles
Its best to get some kinda gauges they will pay for themself in the long run,just by knowing good from bad parts
Its a good feeling knowing where your truck stands
what kinda fuel filters did you use
I use scangauge II
www.scangauge.com
click here^^^^
it does quite abite best deal for the money
ICP,IPR,FICM,BOOST,VGT,and a ton more
it does not do fuel pressure,but most everything eles
Its best to get some kinda gauges they will pay for themself in the long run,just by knowing good from bad parts
Its a good feeling knowing where your truck stands
what kinda fuel filters did you use
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Hotshot
Joined: Apr 2010
Posts: 19,061
Likes: 238
From: Saratoga Springs,UT
Its getting close to injector damage at 48 I would put in the blue fuel pressure spring
and it may even drop more pulling a trailer
IIRC 45psi is the minumum
Hotshot
Joined: Apr 2010
Posts: 19,061
Likes: 238
From: Saratoga Springs,UT
It could be this is out of the tech folder
when the pcm sees ECTs at 221f it will defuel
when the pcm sees EOTs at 253f it will defuel
check it out
https://www.ford-trucks.com/forums/9...-pressure.html
click here^^^^^^^^^^^^^^^^^^^^
what temps are you seeing
whats your ECTvsEOT spread
without any gauges its hard to say
when the pcm sees ECTs at 221f it will defuel
when the pcm sees EOTs at 253f it will defuel
check it out
https://www.ford-trucks.com/forums/9...-pressure.html
click here^^^^^^^^^^^^^^^^^^^^
what temps are you seeing
whats your ECTvsEOT spread
without any gauges its hard to say
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