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6.0L Power Stroke Diesel 2003 - 2007 F250, F350 pickup and F350+ Cab Chassis, 2003 - 2005 Excursion and 2003 - 2009 van

Hot start problems

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Old Jun 22, 2013 | 10:33 AM
  #1  
pick1967's Avatar
pick1967
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5th Wheeling
Joined: Jan 2009
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From: Kansas City, MO
Hot start problems

I have a 2006 F250 PSD. Lately I have been having problems with very long cranking then start or no start at all, after driving the truck for awhile.
I do have a long cold start problem due to a glow plug harness problem that I haven't fixed yet, but never have I had a hot start issue.
I do have 6 weeks left on my 7 year 200,000 mile ford Diesel engine warranty.
Any ideas out there? Or should I just take it in to the dealer.
Also checked the FICM and reads ok. Had it repaired last year by Ed at FICMrepair.com. Added the 40hp atlas tune.
Thanks,
Mike
 
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Old Jun 22, 2013 | 10:35 AM
  #2  
chewedtoothpick's Avatar
chewedtoothpick
Mountain Pass
Joined: Jul 2009
Posts: 234
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From: Northern Colorado
I would take it in, because you might have the old STC fitting which is prone to failure. You can probably get them to fix the glow plug harness too.
 
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Old Jun 22, 2013 | 10:43 AM
  #3  
pick1967's Avatar
pick1967
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From: Kansas City, MO
What is the std fitting? Don't have full warranty just engine. I don't think they will fix glow plug harness. But worth a try.
Thanks
 
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Old Jun 22, 2013 | 10:44 AM
  #4  
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pick1967
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From: Kansas City, MO
STC fitting
 
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Old Jun 22, 2013 | 11:28 AM
  #5  
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mustang_309
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From: South Weber, Utah
The STC fitting connects the HPOP to the HPO branch tube.
 
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Old Jun 22, 2013 | 12:01 PM
  #6  
chewedtoothpick's Avatar
chewedtoothpick
Mountain Pass
Joined: Jul 2009
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From: Northern Colorado
They SHOULD fix both, because they are prime engine components, but I had a warranty on a used car that covered "all critical safety components" and wouldn't replace a failing seatbelt pre-tensioner.

The Snap To Connect fitting is what connects the High Pressure Oil Pump to the HPO branch tube, which I believe feeds the oil to the injectors. When the STC fitting fails, it can cause hard warm starts, as it actually pops out of its socket. This can actually lead to worse problems, such as erosion of the cover from contact, and bending of the branch tube.

The updated STC fitting (which they should install) is actually a one-piece fitting, and not prone to separation.
 
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Old Jun 22, 2013 | 12:34 PM
  #7  
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the_auto_tech
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Joined: Oct 2012
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From: Des Moines, IA
Also, there's a chance you've got leaking dummy rail plugs or stand pipes as well. Most likely though the STC fitting is crapping out. Mine at 88,000 miles was wiggling pretty bad.
 
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