96 7.3 losing prime - Ford Powerstroke Diesel Forum
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post #1 of 16 Old 06-05-2012, 08:31 PM Thread Starter
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96 7.3 losing prime

Truck runs great until it sits all day or over night. Is there a check valve in the fuel bowl? I have replaced the feed and return lines even the ones on the engine. It doesn't seem to be leaking anywhere it just drains the bowl any help or thoughts would be great thanks.
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post #2 of 16 Old 06-06-2012, 06:42 AM
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Could it be draining to the tube on the pass side of the motor (over the top of the ft tire, against the motor) that's the "dump" for the water drain valve?
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post #3 of 16 Old 06-06-2012, 02:28 PM Thread Starter
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no its not running out the drain you cant see it leaking anywhere. It runs great once you bleed it out.
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post #4 of 16 Old 06-06-2012, 06:04 PM Thread Starter
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anybody think of anything that would cause it to bleed off
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post #5 of 16 Old 06-06-2012, 06:14 PM
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How is your fuel pressure regulator? Ever rebuilt it?


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2000 F-350 Lariat Super Duty, Dually, CCLB, 7.3L
4R100, 2wd
330,000 + miles
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post #6 of 16 Old 06-06-2012, 06:19 PM
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Quote:
Originally Posted by jesilvas View Post
How is your fuel pressure regulator? Ever rebuilt it?
Also when you had the lines off did you happen to clean the fpr screen?? There is a ball check behind the screen that could fall out which would cause this issue...

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08 Axle/4x4 conversion, 5spd conversion, 6637, 5" SP exhaust, gearhead tunes

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post #7 of 16 Old 06-06-2012, 06:27 PM Thread Starter
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so there is a check in the fuel bowl and no I didn't clean it.
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post #8 of 16 Old 06-06-2012, 06:35 PM
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In the fuel pressure regulator.
Fuel Pressure Regulator (FPR) Screen Writeup


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post #9 of 16 Old 06-06-2012, 06:45 PM Thread Starter
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also it looks like the adrenaline pump I just put in is leaking
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post #10 of 16 Old 06-06-2012, 06:52 PM Thread Starter
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what about just deleting the fuel bowl with a spin on filter and a fpr.
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