5.9 Liter CR Dodge Cummins 03-07 Discussion of 5.9 Liter Dodge Cummins Diesels with Common Rail Injection

06 Cummins with fresh reman. Injectors replaced all 6 still black smoke

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Old 10-06-2015, 05:52 PM
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Default 06 Cummins with fresh reman. Injectors replaced all 6 still black smoke

My truck has fresh reman. Injectors all 6. Truck still leaves black smoke when driving at highway speeds what else is there to do. Has smarty Jr and straight exhaust. New air filter Help.
 
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Old 10-06-2015, 08:13 PM
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Stock hp remans? 50hp+ and over tips would make it smoke.
Does your Smarty jr have the latest updated file. The latest are much cleaner than the early ones.
 
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Old 10-06-2015, 10:43 PM
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check for boost leaks
 
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Old 10-08-2015, 07:18 PM
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got a rail gauge?
 




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