What Causes a Diesel Engine to Lack Power and Emit Black Smoke During Acceleration?

1 Answers
Makayla
07/30/25 7:14am
This is mostly caused by incomplete combustion due to uneven or excessive fuel supply to each cylinder, insufficient air intake, poor atomization, or premature injection timing. Under high-temperature and oxygen-deficient conditions in the combustion chamber, the incompletely burned diesel fuel decomposes and polymerizes to form carbon smoke, which is not pure carbon but rather tiny polymer particles. These solid carbon particles react much slower than vaporized fuel, leaving insufficient time for complete combustion and resulting in black smoke emissions. Therefore, it is essential to perform regular maintenance on vehicles during use. Below is an introduction to vehicle maintenance: 1. Introduction to Vehicle Maintenance: Vehicle maintenance refers to the preventive work of regularly inspecting, cleaning, replenishing, lubricating, adjusting, or replacing certain parts of the vehicle, also known as vehicle servicing. 2. Scope of Vehicle Maintenance: Modern vehicle maintenance mainly includes the engine system, transmission system, air conditioning system, cooling system, fuel system, power steering system, and other related components. 3. Purpose of Vehicle Maintenance: The purpose of vehicle maintenance is to keep the vehicle clean, maintain normal technical conditions, eliminate potential hazards, prevent faults, slow down the deterioration process, and extend the service life.
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