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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

shakes, poor throttle response, starving?

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Old Feb 15, 2017 | 05:38 PM
  #16  
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From: Bozeman MT
FL-2016 is oil filter.
FD-4616 is both fuel filters, rail and motor.
 
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Old Feb 15, 2017 | 05:40 PM
  #17  
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From: Bozeman MT
Originally Posted by iexplodez
Heading to Oreilly to pick up the FD4616 right now, and will install tonight. How long should it take to see a difference if this was in fact the issue?
You need the fuel filters replaced at no more than 10,000 miles, even that many miles is risky. In fact, you need a set of fuel filters and the low profile 36mm socket stuffed behind the seat so you don't get stranded.

If filters are sour then you will feel the motor balance out within minutes - if not then you needed them anyways and we go to the next step of diagnosis towards ensuring the motor has fuel.
 
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Old Feb 15, 2017 | 05:45 PM
  #18  
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Originally Posted by Copper.Farm
You need the fuel filters replaced at no more than 10,000 miles, even that many miles is risky. In fact, you need a set of fuel filters and the low profile 36mm socket stuffed behind the seat so you don't get stranded.

If filters are sour then you will feel the motor balance out within minutes - if not then you needed them anyways and we go to the next step of diagnosis towards ensuring the motor has fuel.
Well when I removed the secondary filter to get at the o ring on the regulator, I noticed the filter was black. So i ordered online yesterday but wouldn't receive until next week. I will use them anyways so i am buying another set to replace right now.

Should I also put the Blue Spring back in the regulator while I am at it, or leave the stock one in?
 
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Old Feb 15, 2017 | 05:48 PM
  #19  
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From: Bozeman MT
Originally Posted by iexplodez
Should I also put the Blue Spring back in the regulator while I am at it, or leave the stock one in?
The stock spring is aged and weak, the blue spring mod with new seals hurts nothing and helps to prolong the life of the injectors. Often it is easier to fix one thing at a time, such as the fuel filters first and the blue spring next - up to you. Just be safe and keep your head straight.
 
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Old Feb 15, 2017 | 05:53 PM
  #20  
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Makes me wonder if the lower is black... algea growth
 
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Old Feb 15, 2017 | 06:33 PM
  #21  
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Originally Posted by WatsonR
Makes me wonder if the lower is black... algea growth
I will let you know. I got the upper installed only to realize I have to go out and get a 36mm socket.
 
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Old Feb 15, 2017 | 07:21 PM
  #22  
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Well whoever last attempted at this lower filter cap stripped it out-the 36mm just spins. I'm not sure what to try without making it worse.
 
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Old Feb 15, 2017 | 07:25 PM
  #23  
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Go ahead and pick up a new cap. I think you can get a strap wrench up in there. If not the whole pump and filter assembly is not that hard to take off.
 
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Old Feb 15, 2017 | 07:30 PM
  #24  
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Originally Posted by iexplodez
Well whoever last attempted at this lower filter cap stripped it out-the 36mm just spins. I'm not sure what to try without making it worse.
You can try a channel lock or vise grip, then just use a new cap. Sounds like you will need one.

Now, for the oil you stated was used........Quaker state?
I don't know they even make a diesel rated oil, I have heard of it for some imports but never seen a QS diesel oil or heard of anyone running it.

Can you confirm? Running automotive oil in a diesel engine not a good idea.
 
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Old Feb 15, 2017 | 07:35 PM
  #25  
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Pull the codes! There might be some good info stored in the computer that doesn't set a check engine light.
 
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Old Feb 15, 2017 | 07:36 PM
  #26  
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Yeah I will be trying a few things. It is difficult with the shaft right in the way.

As for the Oil, I am hoping it was diesel plus full synthetic. But I doubt it. He doesn't know. He got it changed at a local shop. When I change myself, I used 5w-40 rotella t6.
 
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Old Feb 15, 2017 | 07:48 PM
  #27  
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From: Bozeman MT
Good luck with that fuel filter cap.
 
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Old Feb 15, 2017 | 07:53 PM
  #28  
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Slip joint pliers or a pipe wrench after hitting the housing area the cap threads into with a heat gun. She'll come right out!
 
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Old Feb 15, 2017 | 07:58 PM
  #29  
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Well the closest store that has a cap is 20 miles away. I will have to get that done tomorrow.

I will have to drive it with just the new upper filter changed. I will update tomorrow, Thanks everyone.
 
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Old Feb 17, 2017 | 04:43 AM
  #30  
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From: Bozeman MT
I suspect the fuel filters fixed things...... crickets.....
 
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