I think my fuel pump went out

Discussion in 'Engine & Performance' started by e_hartzell17, Jan 6, 2017.

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  1. e_hartzell17

    e_hartzell17 Senior Member

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    Ok so I started the truck and let it idle for a rough 30 mins or so then I got in it hit the skinny pedal on the right a little and boom she died, when I went to go crank it it didn't start back up, so I left the key on and got out to hear like a hairdryer sound coming from my fuel tank and I'm pretty sure my fuel pump went bad not positive though. Any body ever have this happen if so I could really use an explanation haha.
     
  2. dudeman2009

    dudeman2009 Senior Member

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    Is their fuel in it? The gauge may be wrong.

    Try hitting the tank with a hammer, or getting a fuel rail pressure test kit, you can rent them from autozone.

    It should only prime for 5 seconds or less, usually if it tries to prime longer than that, it indicates a problem. Is there any fluid leaking?
     
  3. dapepper9

    dapepper9 Senior Member

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    Whine from the tank is a good thing. It means the pump is at minimum trying to work and is getting signal. If you hear it whine, check rail pressure for about 50psi +/- 2psi. Good pressure, pump whines, likely going to be spark
     
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  4. texasrebel

    texasrebel Member

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    Mine went out about a year ago. Found easiest way to access it since it had a full tank, was to lift the bed. Dropping a full tank isn't fun.

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  5. e_hartzell17

    e_hartzell17 Senior Member

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    Well luckily for me I'm under a 1/4 tank but it's weird cuz about 2 hours after I though she went out, it started right back up no problems


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  6. texasrebel

    texasrebel Member

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    Hm. Kinda odd. Might still want to get someone to test the system.

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  7. e_hartzell17

    e_hartzell17 Senior Member

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    Yeah for sure another good thing though is wishing the next few months I'm putting a turbo setup on the truck so new fuel pumps going in anyway


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  8. texasrebel

    texasrebel Member

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    Turbo setup? You have my interest.

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  9. e_hartzell17

    e_hartzell17 Senior Member

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    Lol yeah gonna be running a remote mounted hy35 cummins turbo tuned with sct with a warlbro 225 fuel pump, ford cobra 39# injectors, 8psi wastegate and a mild comp cam


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  10. texasrebel

    texasrebel Member

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    You got any idea what kinda power boost your gonna get? IIRC, the stock internals can only handle around 9lbs up top before the heads start floating and around 12 on the bottom end. Got a build thread for this?

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