Cummins ISX15 never ending check engine lights

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by javelinjeff, Apr 30, 2019.

  1. TTNJ

    TTNJ Heavy Load Member

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    Nov 21, 2017
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    Prolly leaking pressure. Poor quality casting....Cummins builds that pump in Juarez Mexico and the casting is dual sourced to a poorly managed company in Missouri and Europe. The casting has to hold pressure and if it doesn’t this is the result.
     
    Andreybanyuk and Dave_in_AZ Thank this.
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  3. Dave_in_AZ

    Dave_in_AZ Road Train Member

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    California shop(s) too.
     
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