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Old 03-27-2013, 03:41 PM
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replaced fuel pump ran but now no start

I replaced the fuel pump and it ran for about 5 minutes then died. It will crank but not start. Replaced both filters using wix filters. I have fuel on the top mount filter. Its on an 03 6.0. Any thoughts or ideas?
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Old 03-27-2013, 04:38 PM
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What is your fuel pressure? Is your pump running when you go KOEO? Maybe you have a connector or wiring problem? Codes? I would hate to think you had a new problem show up just as you fixed (or did you) this one!
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Old 03-27-2013, 06:27 PM
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Well we dont have whats required to do pressure tests at our shop but what do you mean by koeo?
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Old 03-27-2013, 09:46 PM
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KOEO - key on engine off. The pump runs for about 20 seconds with the key on but not started. You can hear it. Do a search for fuel pressure units. You need a M12x1.5mm to 1/8' NPT (or whatever you need) to make the connection to the test port. Having a method to monitor fuel pressure is almost a must have. However, for higher performance applications or trouble shooting it is a must have. You could easily make one for about $20. If you wanted to digitize it for a dash gauge, it would run you about $50-$100.
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Old 03-28-2013, 03:09 PM
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I have also read that it could be the ficm my guess is its that butnot sure
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Old 03-28-2013, 04:19 PM
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Quote:
I have also read that it could be the ficm my guess is its that but not sure
It certainly could be, but was the issue there before you thought you had a fuel problem? You could check the voltage KOEO and while cranking. It is real easy to do with a monitor. With a voltmeter you can check the pins in the FICM inspection window for 48v. Just don't short it out! As well, sometimes it craps out once the board gets warm, if the solder connections are bad.

There are lots of potential reasons for your problem, with a more information or even a scan/diagnosis you can get into fixing it rather that guessing what's wrong.
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Old 03-29-2013, 03:46 PM
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What happened to your truck for you to replace the fuel pump? Read the stickies on monitoring. I would suggest motorcraft or racor filters only, with oem caps. A stated you need to verify fuel pressure. Without a monitor, you will have a difficult time sorting this out. You can pick up a scanguage II at autozone for $160.

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Old 03-29-2013, 03:53 PM
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Quote:
Originally Posted by 04-6.0stroker View Post
I replaced the fuel pump and it ran for about 5 minutes then died. It will crank but not start. Replaced both filters using wix filters. I have fuel on the top mount filter. Its on an 03 6.0. Any thoughts or ideas?
tryed wix once and found the bottom filter did not fit and thus does not work use only eom filters
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Old 03-29-2013, 04:37 PM
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Originally Posted by DieselFord View Post
tryed wix once and found the bottom filter did not fit and thus does not work use only eom filters
This^^^^..........make sure you have oem caps to match the fuel and oil filters. Watch the videos..... http://www.dieselfiltersonline.com/f...k-filters.aspx

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Old 03-29-2013, 06:37 PM
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Originally Posted by southend View Post
sold purchased new 2007 oil + factory oem filter at 5k fuel oem filters at 10k trany oil + filters at 30k note have the 08 pan and filter

the op has a issue related to a wix filters
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