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Thread: Help, fuel to, not out of injection pump.

  1. #1
    Join Date
    Feb 2017
    Location
    Buskirk, NY, US of A
    Posts
    15

    Default Help, fuel to, not out of injection pump.

    Tons of fuel supply going to the injection pump. Only a trickle out at the injectors.
    Got power to the fuel solenoid.
    Tried tapping on the pump just in case.
    Crack the injection line on the driver's front line, only a trickle of fuel.
    Fuel is returning to the tank.
    Something wrong between my spin on filter and the injection pump, or in the pump. It's a new last year pump.

  2. #2
    Join Date
    Jan 2001
    Location
    Knoxville,Tennessee
    Posts
    2,639

    Default

    A little info about year make and model and any mods done might help scare up some help.
    "The Constitution is not an instrument for the government to restrain the people, it is an instrument for the people to restrain the government."
    -Patrick Henry


    A5150nut
    2006 K3500 D/A
    94 6.5 4x4 5spd Sold

  3. #3
    Join Date
    Apr 2001
    Location
    CA
    Posts
    13,573

    Arrow

    Add to that....

    Are you having a problem? If so, what?

    The fuel events you describe sound normal. Fuel flow at the injectors is only a "trickle", at best. If they weep any fuel while cranking, the pump is sending fuel. If all is as it should be and it doesn't fire or run well, confirm you are actually sending the correct fuel to the cylinders (as in, not gasoline).
    1985 Blazer 6.2
    2001 GMC 2500HD D/A
    dmaxmaverick@thedieselpage.com

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