97 OBS Lift pump failure?? - Ford Powerstroke Diesel Forum
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  #1  
Old 05-13-2013, 08:21 PM
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97 OBS Lift pump failure??

As you guys know I don't frequent these parts of the forums too often, but I have a buddy that has a 97 OBS 7.3L but is failing to get fuel to the top of the engine in engine mounted filter housing (not sure if there is one). He wants me to come look at it but I need to know what to look for and what to try so that I can possibly diagnose his truck's issues. Any help would be appreciated. Thanks guys.
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  #2  
Old 05-13-2013, 09:52 PM
Can you hear the derail??

 

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Make sure fuel is getting to the pump, make sure it's pumping, and check fuel pressure at shrader on side of bowl, what's it doing to make him think it's fuel, low oil level will act like its running out of fuel
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Old 05-14-2013, 10:06 AM
Hee Hee, he's doing it...
 

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Cycle the tank selector and make sure the fuel delivery issue is not a tank pickup issue.
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Old 05-14-2013, 10:20 AM
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Do they all have that?
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Old 05-14-2013, 10:34 AM
Can you hear the derail??

 

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a tank selector? yes its the switch next to the head light knob
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