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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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. |
check for boost leaks
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got a rail gauge?
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