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Technical Electric fuel pump stops

Discussion in 'Traditional Hot Rods' started by scott Hrncirik, Mar 31, 2025.

  1. scott Hrncirik
    Joined: Sep 18, 2014
    Posts: 72

    scott Hrncirik

    I have a 1932 ford with fuel tank in the trunk and an electric fuel pump under the frame rail up front. After driving the car for 5 minutes or so it stops pumping fuel. To get the engine running again, I pull the fuel line off at the fuel pump and it blows out air and will fire back up. Thoughts?
     
  2. Johnny Gee
    Joined: Dec 3, 2009
    Posts: 14,396

    Johnny Gee
    Member
    from Downey, Ca

    Electric fuel pumps are pushers, not pullers as in your case. Move pump as close to the tank as possible.
     
    olscrounger and Bandit Billy like this.
  3. scott Hrncirik
    Joined: Sep 18, 2014
    Posts: 72

    scott Hrncirik

  4. lostone
    Joined: Oct 13, 2013
    Posts: 3,606

    lostone
    Member
    from kansas

    Another thing too as I have ran into this exact same problem twice, both times it was a plugged filter in the gas tank. An external filter that's plugged will do the same thing...

    ....
     
    V8-m and Blade58 like this.
  5. scott Hrncirik
    Joined: Sep 18, 2014
    Posts: 72

    scott Hrncirik

    I moved the pump back by the gas tank and it did it again today. 3 minutes of run time and the fuel stops pumping until I purge it.
     
  6. lilCowboy
    Joined: Nov 21, 2022
    Posts: 154

    lilCowboy

    Is your gas cap vented ? Edit, I re-read you said it’s in trunk , any type of external vent system (
    I had a 34 with a non vented cap, would cut out like running out of gas , took cap off , drove it and was fine. So I changed to vented cap
     
  7. scott Hrncirik
    Joined: Sep 18, 2014
    Posts: 72

    scott Hrncirik

    That makes sense, thank you.
     
  8. ahshoe
    Joined: Sep 12, 2012
    Posts: 1,053

    ahshoe
    Member

    Make sure your electric pump is in the rear and BELOW the tank if posssible
     

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