Engine/Transmission (1998.5 - 2002) High idle issues

Discussion in '2nd Generation Ram Forum Archive' started by Racincwby, Feb 23, 2017.

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  1. Racincwby

    I have a 2001 3/4 ton 4x4 5.9 cummins 6 speed. A couple days ago the idle jumped to 1200 and then last night it was at 1900. Truck has FASS fuel system and an edge chip. I can't find any reason why it would be idling high. Ambient temperature last night was about 60 for. Any suggestions
     
    Racincwby , Feb 23, 2017
    #1

  2. klcammie

    First completely unhook the edge and see if problem continues.
     
    klcammie , Feb 23, 2017
    #2

  3. Racincwby

    Unhooked Edgar and still 1900 rpms
     
    Racincwby , Feb 23, 2017
    #3

  4. NIsaacs

    Is there any chance gas was put in the tank?

    Nick
     
    NIsaacs , Feb 23, 2017
    #4

  5. Bob4x4

    If it had gas in it it normally rattles and or runs rough.I think I would connect up the Cummins made stand alone box that removes the vehicle electronics from the injection pump.This has 2 settings only-idle and a bit higher.You should be able to toggle back and forth and see it respond correctly.If you still see the 1900 rpm replace the injection pump,
     
    Bob4x4 , Feb 23, 2017
    #5
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