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Thread: 2015 RAM 3500 - Truck Will Not Start

  1. Top Of Page | #11
    Permanent Vacation Chrisn162001's Avatar

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    2015 RAM 3500 - Truck Will Not Start

    Quote Originally Posted by miller271 View Post
    I disconnected the FCA, and the RP during cranking maxed out around 28000 psi.

    It then settled back down to 12000 psi.
    That makes me think your pressure sensor is good.

    They rarely fail anyways.

    It shouldn’t settle while cranking, though.

    It should stay full pressure while the FCA is unplugged.

    You said it “ran away” how high did RPMs get?


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  3. Top Of Page | #12

    2015 RAM 3500 - Truck Will Not Start

    It was redlined for sure.

    I can’t give you an exact number since they turned off the trunk trying to shut it off.

    I still don’t really understand why diesel was in the oil?

    What would cause that, and the throttle valve has been removed and disconnected.


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  5. Top Of Page | #13
    Permanent Vacation Chrisn162001's Avatar

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    2015 RAM 3500 - Truck Will Not Start

    Stuck open, cracked injector or feed tubes not seated.


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  7. Top Of Page | #14
    I WILL STAND! AK Bob's Avatar

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    2015 RAM 3500 - Truck Will Not Start

    Did the fuel pressure drop to 12,000 psi while you were cranking or bleed down after you stopped cranking?

    With FCA disconnected.


    2014 RAM 3500 (Aisin) 3.73 4X4 Limited Crew Cab Long Bed DRW. Oil Bypass Filter, Fuel Filtration Kit and 50 Gallon auxiliary fuel tank.

    Sent from my iPad using Tapatalk

    2014 RAM 3500 (Aisin) 3.73 4X4 Limited Crew Cab Long Bed DRW. Oil Bypass Filter, Fuel Filtration Kit, Cold Air Intake, City Diesel Actuator and 50 Gallon Aux Fuel Tank.

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  9. Top Of Page | #15
    TheJonJon's Avatar

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    2015 RAM 3500 - Truck Will Not Start

    Following.


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  11. Top Of Page | #16
    MOD watersupply189's Avatar

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    2015 RAM 3500 - Truck Will Not Start

    As Chrisn stated, I believe you have an injector issue causing your fuel to dump that much into your oil.


    2016 Ram Laramie 3500, G56, 6.7, CC, 4x4

    2016 RAM 3500 4x4 Laramie Crew Cab
    Cummins,G56, Rough Country level, Morimoto LED fog lights, LED headlights, Lund Attitude Steps sprayed with Line-X, DRL's Activated, 35x12.50R18 Falken Wildpeak ATW3, Fuel Vapor Wheels Matte Black w/Dark Tint, A.R.E. Truck cap and swing boxes

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  13. Top Of Page | #17
    I WILL STAND! AK Bob's Avatar

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    Re: 2015 RAM 3500 - Truck Will Not Start

    Quote Originally Posted by miller271 View Post
    It was redlined for sure.

    I can’t give you an exact number since they turned off the trunk trying to shut it off.

    I still don’t really understand why diesel was in the oil?

    What would cause that, and the throttle valve has been removed and disconnected.
    So what did you find out?


    2014 RAM 3500 (Aisin) 3.73 4X4 Limited Crew Cab Long Bed DRW. Oil Bypass Filter, Fuel Filtration Kit and 50 Gallon auxiliary fuel tank.

    Sent from my iPhone using Tapatalk

    2014 RAM 3500 (Aisin) 3.73 4X4 Limited Crew Cab Long Bed DRW. Oil Bypass Filter, Fuel Filtration Kit, Cold Air Intake, City Diesel Actuator and 50 Gallon Aux Fuel Tank.

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  15. Top Of Page | #18

    Re: 2015 RAM 3500 - Truck Will Not Start

    The injectors were definitely damaged.

    I replaced all 6 injectors with new ones.

    The truck will run however it’s still mixing diesel in with the oil.

    My next move is to remove CP3 and have it tested.

    Any other suggestions would be greatly appreciated.


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  17. Top Of Page | #19
    I WILL STAND! AK Bob's Avatar

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    Re: 2015 RAM 3500 - Truck Will Not Start

    Quote Originally Posted by miller271 View Post
    The injectors were definitely damaged.

    I replaced all 6 injectors with new ones.

    The truck will run however it’s still mixing diesel in with the oil.

    My next move is to remove CP3 and have it tested.

    Any other suggestions would be greatly appreciated.
    Just wondering if perhaps the injector feed tubes are leaking.

    Did replace them along with the new injectors?


    2014 RAM 3500 (Aisin) 3.73 4X4 Limited Crew Cab Long Bed DRW. Oil Bypass Filter, Fuel Filtration Kit and 50 Gallon auxiliary fuel tank.

    Sent from my iPhone using Tapatalk

    2014 RAM 3500 (Aisin) 3.73 4X4 Limited Crew Cab Long Bed DRW. Oil Bypass Filter, Fuel Filtration Kit, Cold Air Intake, City Diesel Actuator and 50 Gallon Aux Fuel Tank.

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  19. Top Of Page | #20

    Re: 2015 RAM 3500 - Truck Will Not Start

    Yes, sir, I replaced all the feed tubes with OEM bosch spec ones.

    Brand new.


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