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Thread: Not getting fuel to my injectors my 6.5l k3500

  1. #1
    Join Date
    Jun 2020
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    Evans
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    Default Not getting fuel to my injectors my 6.5l k3500

    Hi guys,

    I just replaced my injection pump on my truck and I have fuel going in but nothing going in to my injectors so my truck wont strat any clues to look in to

  2. #2
    Join Date
    Apr 2001
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    Newberg Oregon
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    12,282

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    Welcome to TDP

    After changing the IP you will have an AIR lock in all the injector lines.

    Make sure the lift pump is working and fuel is delivered to the fuel filter and the IP

    Remove the glow plugs and spin the engine.

    Rotating the engine with the glow plugs out will allow fuel to purge the injector lines easily.

    Usually a session of about 15-30 seconds of spinning the engine with the plugs out will get fuel blowing out the glow plug holes.

    Once there is fuel blowing out the holes...install the plugs and start as normal..
    (1) 1995 Suburban 2500 4x4
    (1) 1997 Astro
    (1) 2005 Suburban (Papa Smurf)
    THIS IS BOW TIE COUNTRY

  3. #3
    Join Date
    Jun 2020
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    Evans
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    Default

    Quote Originally Posted by Robyn View Post
    Welcome to TDP

    After changing the IP you will have an AIR lock in all the injector lines.

    Make sure the lift pump is working and fuel is delivered to the fuel filter and the IP

    Remove the glow plugs and spin the engine.

    Rotating the engine with the glow plugs out will allow fuel to purge the injector lines easily.

    Usually a session of about 15-30 seconds of spinning the engine with the plugs out will get fuel blowing out the glow plug holes.

    Once there is fuel blowing out the holes...install the plugs and start as normal..


    I did as you told me to Robyn but yet no fuel is there something else I need to do or am I just no doing it right

  4. #4
    Join Date
    Dec 2003
    Location
    Yukon Canada
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    Does the shutoff solenoid make a clicking noise when the power wire is removed and replaced with the key in the run position?
    90 Chev 3500 c/c 4x4,6.2na,400 auto,4:10 gears.DSG Timing gears,main girdle, isspro tach, pyro,boost,oil and trany temp.Dual Tstats, High volume peninsular pump,on shelf, Custom turbo and intercooler 85%complete. Change of plans for the dually, it's going to get a Cummins. Both trucks are Blue 90 4x4 crews

  5. #5
    Join Date
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    New Hampshire - Live Free or Die
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    Shutoff solenoid, and crank at full throttle to make things go a little faster.
    The Constitution needs to be re-read, not re-written!

    If you can't handle Dr. Seuss, how will you handle real life?

    Current oil burners: MB GLK250 BlueTEC, John Deere X758
    New ride: MB GLS450 - most stately
    Gone but not forgotten: '87 F350 7.3, '93 C2500 6.5, '95 K2500 6.5, '06 K2500HD 6.6, '90 MB 350SDL, Kubota 7510

  6. #6
    Join Date
    Apr 2001
    Location
    Newberg Oregon
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    Does the lift pump run while cranking ????

    A bad lift pump will foul things up.....
    What year is the truck ????
    (1) 1995 Suburban 2500 4x4
    (1) 1997 Astro
    (1) 2005 Suburban (Papa Smurf)
    THIS IS BOW TIE COUNTRY

  7. #7
    Join Date
    Jun 2020
    Location
    Evans
    Posts
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    It's a 94 chevy k3500 6.5l turbo diesel. The injection pump is an electrical one and from the people that rebuilt mine say my pump was one of the harder ones to come buy some other guy told me to check my connections but everything is connected has power and fuel pressure.

  8. #8
    Join Date
    Apr 2001
    Location
    Newberg Oregon
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    If you have fuel pressure to the IP then cranking the engine with the glow plugs out should see fuel come through.

    As long as the fuel shut off is clicking when the key is turned on it should work.

    Why was your original pump replaced ?????

    Did the new IP come with a PMD ?????

    Is the PMD remote mounted ????
    (1) 1995 Suburban 2500 4x4
    (1) 1997 Astro
    (1) 2005 Suburban (Papa Smurf)
    THIS IS BOW TIE COUNTRY

  9. #9
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    Jun 2020
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    Evans
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    Default

    It's the same pump it was just re built

  10. #10
    Join Date
    Dec 2003
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    Yukon Canada
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    Default

    Does the shutoff solenoid click when you remove the power wire with the key on?
    90 Chev 3500 c/c 4x4,6.2na,400 auto,4:10 gears.DSG Timing gears,main girdle, isspro tach, pyro,boost,oil and trany temp.Dual Tstats, High volume peninsular pump,on shelf, Custom turbo and intercooler 85%complete. Change of plans for the dually, it's going to get a Cummins. Both trucks are Blue 90 4x4 crews

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