Fuel Pump issues, how can I tell? - Ford Powerstroke Diesel Forum
 
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post #1 of 10 Old 06-30-2014, 07:54 AM Thread Starter
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Fuel Pump issues, how can I tell?

Truck left me stranded 90 miles from home last night...just quit like it ran out of fuel. This morning at the house, I verified voltage at the positive terminal, made sure inertia button pressed down, but when I opened the fuel bowl drain, get no pressure when I expect the pump to be running. When I put my hand on the pump body I feel a slight jump when its supposed to start, but no vibration at all, and again, no pressure at the fuel bowl drain. Can I safely assume it's the pump?
Please help!
Thanks,
Mike.
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post #2 of 10 Old 06-30-2014, 09:51 AM
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Is the lid on the filter housing, with a filter installed?

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post #3 of 10 Old 06-30-2014, 09:59 AM Thread Starter
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Yes, lid is on...having no luck pulling old pump, bracket nuts spinning on their bolts, can't figure out how to remove line from tank. Videos I have seen show a clip being pulled before pulling off line, there doesn't seem to be a clip on this one...getting frustrated.

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post #4 of 10 Old 06-30-2014, 10:11 AM
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Pull the hose off and check if any fuel comes out. Better with help and a quick turn of the key. Mine made all kinds of noise and all just no flow. Pulled the hose and nothing.

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post #5 of 10 Old 06-30-2014, 01:14 PM
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Fuel Pump issues, how can I tell?

You need a special tool to remove the fuel lines from the pump. Attachment 306618heres a pic. Where's your tank level at? If it's below 1/4 add 5 more gal and see if it primes up.

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Last edited by sbluke55; 04-16-2015 at 09:23 AM.
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post #6 of 10 Old 06-30-2014, 01:29 PM
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Got mine from Autozone but mine are 4 colors instead of one tool.

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post #7 of 10 Old 06-30-2014, 03:16 PM
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I actually just finished fixing the EXACT same issue, you gonna need a fuel line removal tool, a flat head screw driver and an 8 and 9 mm wrench to swap the pump out


Mine made noise and did nothing, got a new pump in this afternoon installed in 10 minutes and I'm rolling again

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post #8 of 10 Old 06-30-2014, 04:47 PM Thread Starter
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Quote:
Originally Posted by sbluke55 View Post
You need a special tool to remove the fuel lines from the pump. Attachment 306618heres a pic. Where's your tank level at? If it's below 1/4 add 5 more gal and see if it primes up.
I bought the combo pack from Advance Auto, it worked fine on the high pressure side. The tank line kept giving me fits, supposed to be some sort of clip you pull out (with that flat bladed screwdriver) but the "clip" turned out to be a narrow blue plastic band with no accommodation for removal...the more I mess with it the more I appreciate the real mechanics who do this for a living, efficiently. I'd starve as a mechanic!

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Liberty is a well-armed lamb contesting the vote.” Ben Franklin, 1759
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post #9 of 10 Old 06-30-2014, 06:46 PM
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Take a pic and post it up.

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post #10 of 10 Old 07-04-2014, 09:01 AM Thread Starter
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I had limited time and less patience, so I sent it to a "real" mechanic. Fuel pump. Symptoms identical to running out of fuel, because that's what it did to the engine. My troubleshooting efforts checked voltage at the positive terminal which verified relay and fuse good, opening fuel bowl drain with pump run demanded no pressure. How to remove that rear fuel line from the tank will remain a mystery to me. Sorry, and thanks for your efforts to help.
Mike.

2003 7.3L
NRA Sticker on back window
Missing muffler mod
Potential by Ford...
6.0 Trans cooler now installed.


“Democracy is two wolves and a lamb voting on what to have for lunch.
Liberty is a well-armed lamb contesting the vote.” Ben Franklin, 1759
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