Monday, June 13, 2016

Running Rough / Misfire - Heavy-Duty Cummins Issues



Problem: Several things could be causing rough running or a misfire in your Cummins Semi:
Cause: Stiction
Solution: Treat with Stiction Eliminator to clean out all of the injectors. Use Diesel Extreme to clean out the fuel system.
Cause: Mechanically failing injector(s)
Solution: If the truck continues to run roughly, investigate electrical issues and more serious injector issues.

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