|     Cm875 ism derate n excessive smoke    |  
|    06-09-2019, (Subject: Cm875 ism derate n excessive smoke )   Post: #1   |  |||
 
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|  Cm875 ism derate n excessive smoke    Got an ism giving me a hell of a trouble..so far only thing I see is a small exhaust leak a the clamp at the egr cooler...but all these codes and derate for one leak??? Non deleted engine    |  |||
|    06-09-2019, (Subject: Cm875 ism derate n excessive smoke )   Post: #2   |  |||
 
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|  RE: Cm875 ism derate n excessive smoke    It definitely appears you have a boost leak or intake restriction somewhere. The engine brake fault could be a number of things but its unrelated to the main symptoms. Also could do with a clean of the EGR piping, particularly the differential pressure tubes.     |  |||
 
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|    06-09-2019, (Subject: Cm875 ism derate n excessive smoke )   Post: #3   |  |||
 
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|  RE: Cm875 ism derate n excessive smoke    Thanks alot     |  |||
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