2006 Cummins ISX

Discussion in 'Trucks [ Eighteen Wheelers ]' started by Smellfunny, May 22, 2015.

  1. Smellfunny

    Smellfunny Road Train Member

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    Jan 28, 2012
    South Carolina
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    The truck has an active code for low coolant. As soon as the active code goes inactive the truck starts smoking black and loses power. Any ideas? When the light is on truck runs fine.
     
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  3. Heavyd

    Heavyd Road Train Member

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    I am guessing another wire is shorted to the level signal wire and the change in voltage due to coolant level change is causing a voltage short to another circuit.
     
  4. Smellfunny

    Smellfunny Road Train Member

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    Jan 28, 2012
    South Carolina
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    Found a rubbed through wire and a partially open EGR Valve.
     

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  5. NadeauTrucking

    NadeauTrucking Light Load Member

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    Jul 24, 2011
    Bristol, CT
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    My 06 ISX15 goes into limp mode when the low coolant light comes on.
     
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