Close

Excessive Black Smoke

Problems

Several things could be causing black smoke in your diesel pickup:

Problem: Dirty air filter (causing a restriction in the air inlet system)

Problem: Incorrect fuel spray pattern or extra fuel dripping out of the injector (causing the ratio of fuel to air in the combustion chamber to be too high)Treat the fuel system with Diesel Extreme.

Problem: Stiction in the turbo (causing lack of boost pressure)

The contents of HotShotsSecret.com, such as text, graphics, images, and other material contained on the Diagnose Your Diesel section are for informational purposes only. Always seek the advice of your mechanic or other qualified professional with any questions you may have regarding your vehicle’s condition.

TALK TO AN EXPERT

800-341-6516

OPEN + Expedited FREE Shipping* Orders placed before noon ET ships same day M-F