Runs fine then starts stubbln - Ford Powerstroke Diesel Forum
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Old 09-29-2007, 07:28 PM
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Runs fine then starts stubbln

Here we go...The truck started this in August. Through scanners , forums etc still nothing....After new wiring harness and fuel pump the truck wll run fine for 15 - 45 miles then it feels like it is starving of fuel....I will pull over , shut the engine off for 5- 10 minutes and it will run ok for another15 miles or so..No codes since day one and I have tried 3 different scanners.. The fuel pump did make a difference in the beginning but now I don't get the SES light, just the engine losing power... I did put in a new fuel filter also just the other day... My question is how does the fuel tank vent, and tell me about the sock that is on the fuel line in the tank ? I would like to drop the tank can one person do it, and do i just take out the bolts holding the tank up then lower it? or do I need to take off fuel lines first? Are there 2 fuel pumps or just the one on the frame rail.? Thx M
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Old 09-29-2007, 07:51 PM
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done it, twice. yes, you can do it alone, its a lil easier with someone to yell at, I have a lift so I have more clearance, you might need to put it on some jacks. gettin it outs easy. once you pull it out and apart, you can see what needs to be cleaned, theres 2 strainers in a canister, mine were full of crap and black, when i got done cleanin them , they were clear. I used carb cleaner and starter fluid, just for the pressure to blow the crap out. once you get it cleaned, the hard parts screwing the cap back on the tank, if you do it underneath the truck, still connected, its a pain, but you can.
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Old 09-29-2007, 07:56 PM
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ok thx...Do I have to disconnect lines before I drop the tank?,,, And for those recommending to change the cpr ,,,ya I already did that also...Before you cleaned out the filters, did you have some performance issues? How is the fuel tank vented/?
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Old 09-30-2007, 02:44 PM
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the fuel tank has two small tubes running out to the top of the tank (who knows why).see the harpoon/hutch mod for some help...

Welcome to guzzle's Ford PSD Web Page
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Old 10-01-2007, 08:02 PM
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Ok, this sounds similar to a problem I had.

On my 96 7.3, I had a fuel delivery problem. What i found was a wire screen which acts as a secondary filter. It sits on the side of the fuel bowl in inside the outlet. Sorry I can't give more info than this.

You'll have to look into it, I kinda stumbled through with advice from a friend.
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