Asked by Kealani Ventura on Sep 23, 2024

Black smoke emitted from a diesel engine indicates:

A) oil entering the combustion chamber.
B) a rich fuel mixture.
C) a lean fuel mixture.
D) coolant entering the combustion chamber.

Black Smoke

Emission from a vehicle's exhaust, indicating incomplete combustion and the presence of excess fuel in the engine.

Combustion Chamber

The enclosed space within an engine where fuel is burned to produce power.

  • Identify problems associated with the air/fuel ratio and exhaust mechanisms.