Repair manuals and support for 4-wheeled passenger and cargo vehicles.

6517 Questions View all

Diesel Motor Smoking Bad

Truck has a 2006 Duramax, it Started Running Worse And Profusely Smoking

Answered! View the answer I have this problem too

Is this a good question?

Score 0


what color is the smoke?


Add a comment

2 Answers

Chosen Solution

The Duarmax apparently has some injector problems that will cause the engine to idle rough and smoke heavily. Check with your dealer on the service bulletin for the engine.

Was this answer helpful?

Score 1
Add a comment

if the smoke is blue it either has a bad turbo or it is burning oil. if the smoke is black that is unburnt fuel.

Was this answer helpful?

Score 1
Add a comment

Add your answer

Tod will be eternally grateful.
View Statistics:

Past 24 Hours: 0

Past 7 Days: 0

Past 30 Days: 0

All Time: 194