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Thread: Hesitation When Cold?

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    nuckle's Avatar

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    Hesitation When Cold?

    Looking for some help with my 2015 Ram 6.7 Cummins.

    Whenever I start the truck and begin to drive I get this hesitation problem, almost like its de-fueling.

    It does this when I step on the petal to pull out or under load.

    I recently installed an S&B cold air kit and changed the fuel filters with fleetguard filters at the tank and the engine.

    It's as if there is air in the fuel line because once the truck warms up or I drive for a couple miles it goes away. I originally thought it would go away after any air in the filters would pass but now seems to be getting worse. I would think a bad seal at either filter would cause a visible fuel leak.

    Before I put original air filter kit back on I was hoping someone had another idea as I don't see how the air kit could cause this issue.

    I would like to solve this problem before I do any deletes or tunes.

    Thanks for Reading,
    Nuckle




  2. Thanks IGOTACUMMINS, watersupply189 thanked for this post
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    WE WILL STAND! IGOTACUMMINS's Avatar

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    Re: Hesitation When Cold?

    Let's ask Ray @DRD?

    He might give you some advice friend.

    "The grass is greener where you water it"


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  5. Top Of Page | #3
    DRD's Avatar

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    Re: Hesitation When Cold?

    Its either an issue with the fuel filters or some issue with MAF sensor on the intake.

    Maybe change the filters again or check and make sure MAF sensor is properly installed in the new intake.

    Ray,
    Double R Diesel

    The Cummins Whisperer! John 3:16, Romans 10:9-10...Tuning for the Heart and Soul.


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