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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

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Old Mar 31, 2008 | 06:08 PM
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Take two

I posted this in the wrong section earlier, so I'll try it again here.

Hello everyone. At work tomorrow, I am going to work on a 6.0 diesel. I got a code P0263 and P0269. The truck runs ok when it is cold, but it runs terrible when it warms up, and it will eventually die. It sounds to me like a high pressure oil o-ring is bad, but what do you think?
 
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Old Mar 31, 2008 | 07:46 PM
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Is the truck an 05?
 
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Old Mar 31, 2008 | 08:11 PM
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Cylinder #1 and cylinder #3 contribution/balance:

When maximum/minimum pulse width adder is exceeded and cylinder does not converge, a fault is set.

hopefully someone else can interpret...............does this mean injector problems or could it be HPOP related as OP indicated?
 
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Old Apr 1, 2008 | 03:12 AM
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The truck is a 2003. We have another just like it, and I just finished changing the ICP sensor and harness. That wasn't much fun.
 
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Old Apr 1, 2008 | 09:46 AM
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Check for low fuel pressure. Measure the fuel pressure at the engine filter housing test port, should read between 45-58 psi
 
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Old Apr 1, 2008 | 10:43 AM
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egr valve....mine did the same
 
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