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losss of power 2010 chevy 2500 hd

This is a discussion on losss of power 2010 chevy 2500 hd within the General Help forums, part of the LSx Technical Help Section category; hows it going everyone i was just wondering if any body else is having or knows any one having losss ...

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    losss of power 2010 chevy 2500 hd

    hows it going everyone i was just wondering if any body else is having or knows any one having losss of power when they accelerate under NORMAL driving conditions in. its a brand new truck about to get an exaust, intake and chip mabe the chip might help the accelaration problem but i dont know just looking for a little help.

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    its short but its skinny. jiveass's Avatar
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    Quote Originally Posted by camarodude48 View Post
    hows it going everyone i was just wondering if any body else is having or knows any one having losss of power when they accelerate under NORMAL driving conditions in. its a brand new truck about to get an exaust, intake and chip mabe the chip might help the accelaration problem but i dont know just looking for a little help.
    i noticed this in my 2002 2500 6 liter...but ive determined it was the fuel that i put in...i ran 87 octane as opposed to the usual 93 octane and it lost power under light acceleration...i had to floor it to get it to respond better...no more 87 for me...

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    Smiles for 9.5 Years cammed goat's Avatar
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    It may be the DOD(Displacement On Demand) kicking in. Shuts down 4 cylinders while city driving and activates them when under load/higher speeds. I cannot remember if the HD Vortecs have a specific octane rating though.

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    its short but its skinny. jiveass's Avatar
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    Quote Originally Posted by cammed goat View Post
    It may be the DOD(Displacement On Demand) kicking in. Shuts down 4 cylinders while city driving and activates them when under load/higher speeds. I cannot remember if the HD Vortecs have a specific octane rating though.
    I wasn't aware that the trucks had dod

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    I believe they do. 4 cylinders shut down while city driving to save fuel. I think Chrysler has this with the Hemi V8s as well.

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    its short but its skinny. jiveass's Avatar
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    Quote Originally Posted by cammed goat View Post
    I believe they do. 4 cylinders shut down while city driving to save fuel. I think Chrysler has this with the Hemi V8s as well.
    I wonder if u can tune it out

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    I will try the fuel but I think the programmer is going to be my best bet thanks guys

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